Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Back Catalog number: 800232 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request 800263 Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tu Price on request 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request