HEPA Filter Sales carries high quality OEM replacement Freewatt filters for your unit. The Freewatt replacement filters we sell are high efficiency disposable replacement air filters that are designed to get the maximum performance from your HVAC system. If you do not see the size of filter you need, please contact us and request a quote for the filter type and size you need.
Purolator Full Line Catalog - If you can’t find the filter you’re looking for, you may find it in the Purolator Full Line Catalog. The catalog contains all types and sizes of air filters that Purolator makes. If you find what you’re looking for in the Purolator catalog, contact us and request a quote.
The Purolator Dominator DR65-6504 is a 16x25x4 inch MERV8 filter that outperforms the leading fiberglass and cardboard 4 inch filter. This filter is the OEM high efficiency filter for the Freewatt warm air and Hydronic systems.