Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
Key features
- •Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system
- •Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through
- •Filtrete 1000 MPR (Microparticle Performance Rating) equates to MERV 11
- •1000 and 1200 MPR also available in 4", 4" slim fit and 5" air filters
- •For optimal performance, change your home air filter at least every 90 days for 1" filters, and at least every 12 months for 4" and 5" filters.
- •For residential use only
BrandFiltrete
CategoryFurnace Filters
Size18x20x1
Color18x20x1
WarrantyLimited Warranty. This product will be free from defects in material and manufacture. User is responsible for determining whether the product is fit for a particular purpose and suitable for user’s application. If this 3M product is defective, your excl
Filtrete 18x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81 x 19.81 x 0.81 in)
List Price: $65.25$58.73DEALYou Save: $6.52 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (3)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
