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It also swings further across the pressure range than any other tip in the set
This premium REPLACEMENT HEPA filter is engineered for the Phoenix Guardian R Pro HEPA Air Scrubber System
Judge an EPDM belt by how it sits in the pulley
and rinse thoroughly — residue left on a coil corrodes it between services
Phoenix Pre‑Filter for Phoenix Guardian R Air Scrubber Duct Cleaning It also swings further acrossOverview First stage pleated pre filter, 1" 18" 18". Phoenix part number 4031877. It is the first filter the air meets in a Guardian R air scrubber, and its job is to protect the HEPA filter behind it. What it fits Phoenix Guardian R air scrubber named as item 1 in the Guardian R Pro 50 Hz service parts list, Air Filter, Pleated, 1" 18" 18" The filter stack, and why the order matters The Guardian R runs a staged filter arrangement: Stage 1 pre filter
