New diaphragm from Bosworth Co. that should last all season

[@BryanRead-g3l]

What is the Vacuum Like at the end of the Mainline with the 4 diaphragm Guzzler?

[@joshuanotte5387]

Let's hear how to turn up the rpm to 100!

[@nicholaslukash1331]

Is the white diaphram FDA approved? Looking for a better diaphram for my sap pump. Thanks