Their purpose is to protect the system from debris that might damage components of the air systems such as f
ans, motors, cooling coils, and heat exchangers. These filters are ¾–1 in. (1.9–2.5 cm) thick and available in standard
and special sizes up to 20 × 30 in.
GFRP/PVC FILTERS
5MM PVC membrane filters with low moisture pickup are ideal for use in gravimetric
analysis & use in monitoring for metals, silica & dust.