Tolco® model 975 pump-up foamer 2 quart nozzle produces a thick, clinging foam with foaming products. applications: restroom cleaning, carpet spot cleaning, car washes, auto detailing. wide mouth for easy filling. o-rings/gaskets made of chemical resistant synthetic rubber. easily replaced nozzle parts. 2 qt., blue. the main seal on the pump is teflon coated for even better chemical resistance. heavy-duty metal pump plunger-rod outlasts sprayers having plastic shafts that can easily break.