Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense,

Product Overview

A thoughtfully designed solution for daily routines, the Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 11.50 x 21.00 x 3.63) offers reliable performance where it counts. Designed with Aluminum, Plastic, Polypropylene, measuring 21"L x 11.5"W x 3.63"Th, weighing 3 Pounds. Notable features include 11 5x21x4 and 5x21x4 replacement, contributing to its versatile character.

Key Features

• 11.5x21x4 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 11.50" x 21.00" x 3.63")
• 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 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 frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
• Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes

Why Choose the Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack)

When evaluating furnace filters options, the Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 11.50 x 21.00 x 3.63) stands out for its value-driven construction and 11 5x21x4, both of which contribute to thoughtful design.

Best For

Geared toward daily routines, the Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 11.50 x 21.00 x 3.63) brings value-driven build quality and consistent reliable performance.

Quick Summary

The Filterbuy 11.5x21x4 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack) is a Furnace Filters product by Filterbuy. Brand: Filterbuy. Material: Aluminum, Plastic, Polypropylene. Product Dimensions: 21"L x 11.5"W x 3.63"Th. MERV Rating: 11. Compatible Devices: Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump. Price: $65.98.

Product Specifications