Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Back Catalog number: 800134 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800681-1 Tube Breaker Kit, Black, LFS-113 Price on request 800075 Tube Holder Quad Variable Flow, only Price on request 811-9964-50 Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Price on request