Air Pressure Dome Clean Water Systems Foot control has a 5-1/4""

Foot control has a 5-1/4"" diameter activation disk with a non-skid metal base

this professional-grade blow gun delivers the precision and power you need for efficient lab operations

Turn vacuum system back on and test for proper suction and control

Will NOT hold trays with covers

Air Pressure Dome Clean Water Systems Foot control has a 5-1/4""Dome provides extra air pressure when adding a second or third layer of laminate to mouthguards. Also, works well when forming: heavy splints, base plates, model duplications, retainers, and more. Product Details: HOW IT WORKS: Dome uses positive pressure during vacuuming, which allows for a form fitting mold of thermoplastics. Compatible with all vacuum former brands. Hooks into existing air compressor lines (needs 80 PSI with a 3 8" line) to provide