Exact MERV 4

Important: Verify Your Filter Size This product is for the Exact 20x23x1 filter size. Many customers mistakenly order this size when they...

16 3/8 x 21 1/2 x 1 basic filters in the the exact size of 16 3/8 x 21 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

6 x 14 x 1 basic filters in the the exact size of 6 x 14 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading manuf...

6 x 30 x 1 basic filters in the the exact size of 6 x 30 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading manuf...

6 x 24 x 1 basic filters in the the exact size of 6 x 24 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading manuf...

26 x 20 x 1 basic filters in the the exact size of 26 x 20 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

13 x 21 1/2 x 1 basic filters in the the exact size of 13 x 21 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a lea...

21 x 22 x 1 basic filters in the the exact size of 21 x 22 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

23 1/2 x 29 1/2 x 1 basic filters in the the exact size of 23 1/2 x 29 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

18 x 19 x 1 basic filters in the the exact size of 18 x 19 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

21 x 23 x 1 basic filters in the the exact size of 21 x 23 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

23 1/2 x 29 1/4 x 1 basic filters in the the exact size of 23 1/2 x 29 1/4 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

22 x 24 x 1 basic filters in the the exact size of 22 x 24 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

14 x 28 x 1 basic filters in the the exact size of 14 x 28 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

24 x 20 x 1 basic filters in the the exact size of 24 x 20 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

19 7/8 x 21 1/2 x 1 basic filters in the the exact size of 19 7/8 x 21 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

22 x 30 x 1 basic filters in the the exact size of 22 x 30 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

13 1/2 x 29 1/4 x 1 basic filters in the the exact size of 13 1/2 x 29 1/4 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

24 x 25 x 1 basic filters in the the exact size of 24 x 25 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

23 1/8 x 19 3/8 x 1 basic filters in the the exact size of 23 1/8 x 19 3/8 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

16 x 21 x 1 basic filters in the the exact size of 16 x 21 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

15 x 24 x 1 basic filters in the the exact size of 15 x 24 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

20 x 21 x 1 basic filters in the the exact size of 20 x 21 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

19 x 20 x 1 basic filters in the the exact size of 19 x 20 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...