Product Overview
When you need everyday convenience in practical situations, the Filterbuy 21x21x5 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) delivers through time-tested construction. Made with Aluminum, Plastic, Polypropylene, measuring 20.63"L x 20.63"W x 4.38"Th, weighing 15 pounds. Notable features include 21x21x5 air and air filters, contributing to its quality character.
Key Features
- 21x21x5 air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 20.63" x 20.63" x 4.38")
- Protect your home or business from germs, bacteria, and more with MERV 13 synthetic media (comparable with MPR 1900 & FPR 10) that captures 98% of dust without restricting air flow
- Electrostatically charged media (made in the USA) with 11 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 180 days for optimal performance)
- Easy installation beverage board (recyclable) frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
- Rheem / Ruud Filter Part Number (PD540018), Protech (540012, 540018, PD540012), Housing Part Numbers (RXFH-E21AM10, RXFH-E21AM13)
Why Choose the Filterbuy 21x21x5 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack)
For shoppers comparing furnace filters options, the Filterbuy 21x21x5 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) provides practical quality alongside 21x21x5 air — together they support satisfying experience.
Best For
The Filterbuy 21x21x5 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) is best suited for practical situations, where its practical build supports everyday convenience.
Quick Summary
The Filterbuy 21x21x5 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) is a Furnace Filters product by Filterbuy. Brand: Filterbuy. Material: Aluminum, Plastic, Polypropylene. Product Dimensions: 20.63"L x 20.63"W x 4.38"Th. MERV Rating: 13. Compatible Devices: Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Filterbuy |
| Material | Aluminum, Plastic, Polypropylene |
| Product Dimensions | 20.63"L x 20.63"W x 4.38"Th |
| MERV Rating | 13 |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Item Weight | 15 pounds |
| Filter Mounting Type | Slide In |
| Filter Shape | Square |
| Max Temperature | 200 °F |