Filter, MCE, 0.45µm, 37mm, 100/Pack Back Catalog number: GF37450 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-23 Teflon Bag, On-Off Valve (4.7L) Price on request 400692 Battery Pack, NiMH for old style Gilibrator Price on request 810-0102-02 GilAir-5 Clock, with timer (ATEX), Pump only Price on request