Product Overview

The Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) represents a value-driven approach to daily routines, delivering reliable performance consistently. Crafted from Aluminum, Plastic, Polypropylene, measuring 20.63"L x 20.63"W x 4.38"Th, weighing 7.5 Pounds. Notable features include 21x21x5 air and air filters, contributing to its user-tested 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 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 11 Superior Pet & Allergy Defense (2-Pack)

In side-by-side comparisons within the furnace filters space, the Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) pulls ahead through quality engineering and 21x21x5 air.

Best For

Anyone focused on daily routines should consider the Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Rheem, Ruud, & Protech (Actual Size: 20.63 x 20.63 x 4.38) for its reliable performance and quality design.

Quick Summary

The Filterbuy 21x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-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. Price: $148.47.

Product Specifications