Tube Holder, Clear Storage Box Back Catalog number: 400253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (Pac Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request