Austin Air Standard Pre-Filter (CALL TO ORDER!) Color:Black STAGE 3 – Over 780

STAGE 3 – Over 780 cubic inches of Activated Carbon and Zeolite

combination carpet/hard floor tool

Lightweight - <10 lbs*

eliminating costly quarterly filter changes

Austin Air Standard Pre-Filter (CALL TO ORDER!) Color:Black STAGE 3 – Over 780The Austin Air Pre Filter is designed to last for years. Once installed, the Pre Filter can be easily maintained by occasional vacuuming from outside the perforated steel housing of the Austin Air unit. This procedure keeps the Permafilt Pre Filter clean. It also increases the life expectancy up to 2 or 3 years, eliminating costly quarterly filter changes. Periodically vacuuming the outside of the machine clears away large visible dust which properly