Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37Y Band, 37mm Shrink, Yellow 100/Pack Price on request 811-0921-01-R GilAir Plus impinger Bracket for single impinger h Price on request 910-0801-04 Gilian 5000 5-Pack, UL ATEX 120V/240V , No Cord Price on request