Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 800229 Tube holder plug for manifold Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request