16-3/8x21-1/2x1 Air Filter, Pleated, MERV 8 (Case of 4) Fits Listed Models of Carrier, Bryant & Payne MERV 8 Actual Size: 16-3/8 x 21-1/2 x 3/4 (16.375 x 21.5 x .75) Synthetic Media to Resist Microbial Growth and Moisture Sturdier, Self-Supporting Frame Design / Recyclable Fits Carrier, Bryant, Payne and ICP