Filtrete 20-in W x 30-in L x 1-in Washable MERV 1 Basic Cut to Fit

MERV: 11 Air Filters at

Filtrete 20-in W x 30-in L x 1-in MERV 5 Basic Pleated Air Filter

Purolator 20-in W x 20-in L x 1-in MERV 12 Electrostatic Pleated

Purafilter 20-in W x 25-in L x 1-in Washable MERV 8 Cut To Fit Air

Purafilter 16-in W x 25-in L x 1-in Washable MERV 8 Basic Flat Air

Filtrete 16-in W x 21-in L x 1-in MERV 11 HVAC Basic Pleated Air

Filtrete 25-in W x 90-in L x 1-in MERV 4 Media Cut To Fit Air

WEB 25-in W x 20-in L x 1-in Washable MERV 8 Furnace AC Filter

Filtrete 12-in W x 14-in L x 1-in MERV 5 Basic Pleated Air Filter

Frost King 13.5-in W x 24-in L x 0.031-in Washable Cut To Fit Air