Product Overview

The Filter King 21x23x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75" brings clarity to household use with reliable build choices and practical use. Engineered using Paper, measuring 23"L x 21"W x 0.75"Th. Notable features include merv 13 and 13 rated, contributing to its practical character.

Key Features

• This is a MERV 13 rated 4 pack Air Conditioner Filter | Size: 21" x 23" x 1" - Actual Size: 21" x 23" x .75"
• Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)
• Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
• Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
• Open, Slide and Close! A simple yet effective replacement air filter for your home.

Why Choose the Filter King 21x23x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75"

The Filter King 21x23x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75" demonstrates that versatile engineering and merv 13 can coexist — the result is everyday convenience that justifies the choice.

Best For

The Filter King 21x23x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75" pairs naturally with household use situations, offering practical use when it counts.

Quick Summary

The Filter King 21x23x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75" is a Furnace Filters product by FilterKing. Brand: Filter King. Material: Paper. Product Dimensions: 23"L x 21"W x 0.75"Th. MERV Rating: 13. Compatible Devices: Air Conditioner, Furnace. Price: $102.15.

Product Specifications