Single Variable Flow Kit, 6 x 70mm (Standard Charc Back Catalog number: 800253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800681-1 Tube Breaker Kit, Black, LFS-113 Price on request 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request