totaline potassium permaganate postfilter HPF11134_width_13 The filtering material of the

The filtering material of the Air-T-Rex is thermally fused around a galvanized wire ring

Car emissions

therefore allowing the system to operate at its optimum efficiency

Installs above main HEPA filter

This filter was specifically designed for an easy retrofit into a typical 1" furnace filter track to increase efficiency

totaline potassium permaganate postfilter HPF11134_width_13 The filtering material of theCarbon and potassium permanganate VOC postfilter for HEPA air cleaner. Installs underneath main HEPA filter. Removes a wider array of VOCs (volatile organic compounds) than standard carbon postfilter. Lifespan: 6 Months