These easy-to-install filters are used with the Extreme 3500 and 5000 tiR systems. WhisperKOOL recommends replacing your filters at least once every three months to ensure system longevity, better air quality, and more efficient cooling. Note: Filters are only compatible with ducted models of Extreme 3500 and 5000.

Dimensions:
- Extreme 3500tiR or 5000tiR – 11 ¾ x 9 x 1

Extreme tiR fully ducted (FD): This product is intended for fully ducted installations. Fully ducted units are for customers who don’t want to see their unit in the cellar.