Pack of 500-Quatro AG055 SPU 1st Stage Pre-Filters Thermo-Loc Adding the second charcoal stage

Adding the second charcoal stage in the Combo configuration reduces CFM compared to single-media models—this is normal and expected

000 Origin Germany Notes

For maximum performance and safety

reliable adjustments

3 Rectangular – 1" x 3/8" Stars & Crosshatch

Pack of 500-Quatro AG055 SPU 1st Stage Pre-Filters Thermo-Loc Adding the second charcoal stageThe Quatro AG055 SPU 1st Stage Pre Filters are replacement filtration components designed for use in Quatro SPU Stand Up Dust Collectors. Each filter measures 3" x 9" and serves as the first stage of the dust collection filtration process. This listing is sold as a master carton containing 500 filters. Important Note: These filters are no longer compatible with current Quatro SPU units. Quatro has redesigned the SPU line, moving the collection port