PRE FILTER WRAPS FOR CANISTERS (G4-M5)
The Filtrair HSB-300 G4 and HSP-500 M5 hydrophobic pre filter media are uniquely suited to protect higher efficiency canister filters during seasonal increases in dust concentration such as fibers, seeds and other large particulate.
Especially humidity, moisture and rain influences can be avoided by this unique hydrophobic treated media.
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