Stop lid Inflow easily and economically with our lid gaskets and lid plugs.
Keeping it Simple And Affordable.
Variable sizes
Manhole Lid Plugs stop inflow through manhole lids by sealing unneeded vent with high quality lid plugs. Lid plugs offer a low maintenance option for sealing existing manhole lids. They can be removed with pliers for lid removal or to check interior air quality and are adjustable for use in rough or irregularly shaped holes. These removable plugs fit various sizes of holes and made of hi-quality rubber for longevity. Available in six sizes to fit 3/4”, 7/8”, 1”, 11/8”, 11/4” and 11/2” diameter holes in lids 1”or less in thickness. Check our specifications doc for more info.
Eliminates the noise too.