Replacement Cartridge Filter for Clark 1283589

This Clark OEM Replacement Filter has media upgrades. Upgrades include 100% Nanofiber FR - Max Temp: 175F (MERV 15) and 100% Spun Bond Polyester: - Max Temp: 200F (upgradeable to 250F). The original part number is 1283589 with 17.61" x 22.48" x 25" dimensions. It has an outside diameter of 22.48", an insider diameter of 17.61", and a length of 25". The top is open. The bottom is closed. The shape is round with a outer pre-wrap. The filter has 306 square feet of media. Standard features include 80/20 Cellulose/Polyester Blend - Max Temp: 175F (MERV 11). Disclaimer: This product is a direct replacement for the OEM filter. It has the same specifications but is a replacement cartridge filter manufactured by RoboVent and our partners for the replacement of the Clark filter.