Impinger Holder, Double, Aluminum, GilAir/HFS Back Catalog number: 200131 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 811-9973-50 Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Price on request