Impinger, S-P, Micro, PVC Coated glass (2 oz./50m Back Catalog number: 800772 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-5 Tedlar Bag (5L) Price on request 800285 Bubble Generator, High Flow Cell, Gilibrator 2 (Pl Price on request 811-0501-01 Flow Monitoring Software Kit (Software, Cable, & M Price on request