Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Back Catalog number: GPP3700 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-22 Teflon Bag, On-Off Valve (0.5L) Price on request 910-0911-NO-R GilAir-Plus STP Single Starter Kit, Bluetooth, No Price on request KB-100-5 Kynar Bag 100L Pack of 5 Price on request