GfG 4-Gas Bump Test Gas 7 Liter 2 Year Gas Detector These uncorded plugs are rated

These uncorded plugs are rated NRR 32 (or Noise Reduction Rating of 32)

tough nylon motor mount and thru-bolted motor and this unit can handle plenty of abuse

Made of solid aluminum alloy

User friendly with large loop pull pin

N9674XL - Extra-Large

GfG 4-Gas Bump Test Gas 7 Liter 2 Year Gas Detector These uncorded plugs are ratedGfG Instrumentation introduces ecoBump test gas by Gasco. The ecoBump is a returnable 4 inch tall cylinder for convenient bump testing of single and multi gas monitors as well as fixed systems. The ecoBump four gas mix can achieve a proper bump test within three seconds, providing over 250 bump tests per unit. Its convenient size and its returnable feature make it not only an essential tool for the widest range of applications, but also allows for a