Band, 37mm Shrink, Yellow 1000/Pack Back Catalog number: GB37Y1000 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAir-5/BDX-II (Packg of 100) Price on request 801447 Side Insert Assembly GilAir-5 Price on request 800142 Clip Assembly, Replacement for Filter Cassette Kit 800143 Price on request