PRODUCT FEATURES
Air Button, Herga, Mushroom, THD, Black Low cost, rugged bellows with threaded stem and nut Patented no-leak construction Need hole size 13/16" diameter * Bellows Air Button Complete * Mushroom * Stand Alone * Hole Size 13/16" * Bellows Diameter 2" * Face Diameter 2" * Color Black * Volume High Volume * Manufacturer Pres Air Trol/ Herga