Description
Secondary trap connects in series with freeze dry system and vacuum pump to prevent migration of corrosive chemicals into pump interior. Clear acrylonitrile body allows visual check of color indicating media. Media changes from white to blue when exhausted. 3/4 in. O.D. inlet and outlet connections. Includes 20 in. rubber tubing, 3/4 in. I.D. x 3/8 in. wall and one clamp.
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