Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800681-1 Tube Breaker Kit, Black, LFS-113 Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request