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600 PSI Maximum flow 7 GPM Inlet and outlet 1/4 inch male x 1/4 inch female Repair kits NA031A (older) or NA033A (newer) Maximum temperature Not stated by the manufacturer Manufacturer Not settled — see note above Frequently Asked Questions
and rinse thoroughly — residue left on a coil corrodes it between services
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
Hang it from a handrail and the hose is off the treads while you work the stairs
Phoenix Pre‑Filter for Phoenix Guardian R Air Scrubber Duct Cleaning 600 PSI Maximum flow 7Overview 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
