Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense,

Product Overview

With its focus on satisfying experience, the Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) brings quality value to common scenarios. Built 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 reliable 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 allergens, pets, and more with MERV 11 synthetic media (comparable with MPR 1200 & FPR 7) that captures 95% of dust without restricting air flow
• Electrostatically charged media (made in the USA) with 8 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for best results)
• Easy installation beverage board (recyclable) frames with dual wire backing outperform basic cardboard designs by improving durability 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 11 Superior Pet & Allergy Defense (4-Pack)

Consistently chosen by furnace filters buyers, the Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) delivers thoughtfully designed construction alongside 21x21x5 air for reliable practical use.

Best For

Recommended for common scenarios, the Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) addresses common needs with thoughtfully designed construction.

Quick Summary

The Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & 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: 11. Compatible Devices: Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump.

Product Specifications