BVV - 15.25" Diameter - LID Xtra Vacuum Chamber Kit This means you do not

This means you do not have to overspecify your fluid

and if it's not tall enough you can add extensions in 10" increments

It has displays of both your current vacuum and chosen setpoint

and neutralize alkaline substances

BVV - 15.25" Diameter - LID Xtra Vacuum Chamber Kit This means you do not15. 25" Diameter LID Our patented gasket #9475627 Disclaimer: LID ONLY does not include hardware unless selected through drop downs or ordered separately. Hardware includes Valve Manifold, Gauge, and Gasket. (Does not include 50 micron air filter or vacuum hose. This is a Replacement Lid for the following Vacuum Chambers: Best Value Vacs 10 Gallon Aluminum Vacuum and Degassing Chamber