Filtrete 16-in W x 16-in L x 1-in MERV 5 Basic Pleated Air Filter (3-Pack) in the Air Filters department at Lowes.com
16x16x1 Air Filter by Glasfloss | Air Filters Florida
Amazon.com: Filterbuy 16x16x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 x 15.75 x 0.75 Inches) : Tools & Home Improvement
Aerostar 16x16x1 MERV 11, Allergy Air Filter, Box of 6, 16x16x1 - Kroger
16x16x1 - Air Filter for AC and Furnace | AirFilterExpress – Air Filter Express