Filter King 21.25x21.25x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 21.25 x 21.25 x 1.75) Aimsniper increasing stability

increasing stability

These can easily be trimmed to suit your specific needs

Double holes tubes for transporting two ways of water

Two modes switch with variable temperature by digital control [ I: 120¢µ-750¢µ (50¡É-400¡É)

Filter King 21.25x21.25x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 21.25 x 21.25 x 1.75) Aimsniper increasing stabilityBrand: Filter King Features: FILTER: This is a MERV 8 rated 6 pack Air Conditioner Filter Size: 21. 25" x 21. 25" x 2a" Actual Size: 21. 25" x 21. 25" x 1. 75" MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501 FL 1) MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 90 days