What does the pre-filter catch?+
Hair, lint, large dust and insects — the coarse load that would otherwise clog HEPA early.
Can I wash the pre-filter?+
Yes. Vacuum it, or rinse with plain water and dry it fully before refitting. Never refit it damp.
How often should I clean it?+
Every 2–4 weeks in most homes; every 1–2 weeks with pets or roadside dust.
Can I run the unit without the pre-filter?+
Don't. HEPA will clog far faster and the filter cost goes up.
Does the pre-filter stop PM2.5?+
Not really. PM2.5 passes through to the HEPA and carbon layers.
Does the pre-filter stop PM10?+
Not really. PM10 passes through to the HEPA and carbon layers.
Does the pre-filter stop ultrafine 0.3-micron particles?+
Not really. Ultrafine 0.3-micron particles passes through to the HEPA and carbon layers.
Does the pre-filter stop construction dust?+
Partly — the coarse fraction of construction dust is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop road dust?+
Partly — the coarse fraction of road dust is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop house dust?+
Partly — the coarse fraction of house dust is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop dust-mite debris?+
Partly — the coarse fraction of dust-mite debris is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop pollen?+
Partly — the coarse fraction of pollen is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop mould spores?+
Not really. Mould spores passes through to the HEPA and carbon layers.
Does the pre-filter stop pet dander?+
Partly — the coarse fraction of pet dander is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop pet hair?+
Partly — the coarse fraction of pet hair is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop cooking smoke?+
Not really. Cooking smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop deep-fry odours?+
Not really. Deep-fry odours passes through to the HEPA and carbon layers.
Does the pre-filter stop tadka smoke?+
Not really. Tadka smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop incense smoke?+
Not really. Incense smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop mosquito-coil smoke?+
Not really. Mosquito-coil smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop candle soot?+
Not really. Candle soot passes through to the HEPA and carbon layers.
Does the pre-filter stop cigarette smoke?+
Not really. Cigarette smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop vehicle exhaust?+
Not really. Vehicle exhaust passes through to the HEPA and carbon layers.
Does the pre-filter stop diesel soot?+
Not really. Diesel soot passes through to the HEPA and carbon layers.
Does the pre-filter stop industrial haze?+
Partly — the coarse fraction of industrial haze is caught here, protecting the HEPA layer behind it.
Does the pre-filter stop stubble-burning smoke?+
Not really. Stubble-burning smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop firecracker smoke?+
Not really. Firecracker smoke passes through to the HEPA and carbon layers.
Does the pre-filter stop paint fumes?+
Not really. Paint fumes passes through to the HEPA and carbon layers.
Does the pre-filter stop new-furniture off-gassing?+
Not really. New-furniture off-gassing passes through to the HEPA and carbon layers.
Does the pre-filter stop formaldehyde?+
Not really. Formaldehyde passes through to the HEPA and carbon layers.
Does the pre-filter stop cleaning-product fumes?+
Not really. Cleaning-product fumes passes through to the HEPA and carbon layers.
Does the pre-filter stop damp musty odours?+
Not really. Damp musty odours passes through to the HEPA and carbon layers.
Does the pre-filter stop garbage odours?+
Not really. Garbage odours passes through to the HEPA and carbon layers.
Does the pre-filter stop airborne droplets?+
Not really. Airborne droplets passes through to the HEPA and carbon layers.
How often should I clean the mesh in a small bedroom?+
In a small bedroom, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a master bedroom?+
In a master bedroom, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a nursery?+
In a nursery, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a kids' room?+
In a kids' room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a study?+
In a study, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a home office?+
In a home office, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a living room?+
In a living room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a studio apartment?+
In a studio apartment, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a 1BHK hall?+
In a 1BHK hall, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a guest room?+
In a guest room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a rented PG room?+
In a rented PG room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a hostel room?+
In a hostel room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a shared flat room?+
In a shared flat room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a sick room?+
In a sick room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a work-from-home cabin?+
In a work-from-home cabin, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a reading nook?+
In a reading nook, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a home gym?+
In a home gym, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a yoga room?+
In a yoga room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a meditation room?+
In a meditation room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a puja room?+
In a puja room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a walk-in closet?+
In a walk-in closet, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a dressing room?+
In a dressing room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a dining area?+
In a dining area, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a dining room?+
In a dining room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a basement room?+
In a basement room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in an attic room?+
In an attic room, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a salon corner?+
In a salon corner, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a clinic waiting corner?+
In a clinic waiting corner, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a small shop counter?+
In a small shop counter, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a boutique office cabin?+
In a boutique office cabin, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a recording corner?+
In a recording corner, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a gaming setup?+
In a gaming setup, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in a baby feeding corner?+
In a baby feeding corner, check it monthly and clean it whenever you can see a grey film across the mesh.
How often should I clean the mesh in an elderly parent's room?+
In an elderly parent's room, check it monthly and clean it whenever you can see a grey film across the mesh.
Should I clean the mesh more often while sleeping?+
Yes — while sleeping, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often while working from home?+
Yes — while working from home, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during online classes?+
Yes — during online classes, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often while cooking?+
Yes — while cooking, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often just after cooking?+
Yes — just after cooking, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during a party?+
Yes — during a party, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often while painting a room?+
Yes — while painting a room, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during renovation?+
Yes — during renovation, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in monsoon humidity?+
Yes — in monsoon humidity, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during Diwali week?+
Yes — during Diwali week, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during winter smog?+
Yes — during winter smog, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often on a high-AQI day?+
Yes — on a high-AQI day, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often when windows must stay open?+
Yes — when windows must stay open, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a ground-floor flat on a main road?+
Yes — in a ground-floor flat on a main road, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a top-floor flat?+
Yes — in a top-floor flat, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in an old building?+
Yes — in an old building, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a newly built flat?+
Yes — in a newly built flat, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often with a pet cat?+
Yes — with a pet cat, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often with a pet dog?+
Yes — with a pet dog, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often with two pets?+
Yes — with two pets, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often with a newborn at home?+
Yes — with a newborn at home, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often with elderly parents at home?+
Yes — with elderly parents at home, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a shared flat?+
Yes — in a shared flat, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a PG room?+
Yes — in a PG room, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often while moving between homes?+
Yes — while moving between homes, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during a house move?+
Yes — during a house move, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often in a smoking household?+
Yes — in a smoking household, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often near a construction site?+
Yes — near a construction site, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often near a busy junction?+
Yes — near a busy junction, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often near a garbage point?+
Yes — near a garbage point, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during pollen season?+
Yes — during pollen season, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.
Should I clean the mesh more often during a dust storm?+
Yes — during a dust storm, dust arrives faster, so a fortnightly rinse keeps airflow and noise where they should be.