Adjustable flow pulse dampener
Adjustable nozzle dam assembly and method of installing same
Adjustable orifice fitting carrier for a pipeline orifice fittin
Adjustable orifice plate seal
Adjustable pulse dampener
Aerial duct with ribbed liner
Aggregate retaining device for drain covers
Aggregate retaining device for drain covers
Aggregate retaining device for drain covers
Air barrier device using pressurized swirls
Air conditioning duct and method of making
Air conditioning hose
Air conduit for manhole
Air distribution apparatus, especially for oversaturated air
Air distributor for a bioleaching system
Air distributor for a bioleaching system
Air duct and method of making same
Air duct and paper therefor
Air duct assembly
Air duct containing an organic liner material