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 800138 Tube Holder Adapter for 5/8" Ends Price on request 800497-1 Tube Breaker Kit, Blue, LFS-113 Price on request 119U-1-4-DIOXANE 1,4-Dioxane Gas Detector Tube for 20-500 ppm, pk/10 Price on request