Tube holder plug for manifold Back Catalog number: 800229 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request