Adapter for 1-4” to 1-8” ID tubing Back Catalog number: 401205-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request 910-1301-NO Gilian 800i,Starter Kit, No Cord Price on request