A.L. Cook’s 21” Stripper is designed to maximize floor maintenance productivity. It burnishes 25,000 square feet per hour at 1050 rpm and is designed to be perfectly suited for the growing contract cleaner. The machines have a clean catalytic converter, and 80% safety fill tank, the company says. The 21” Stripper is approved by EPA and C.A.R.B., and new UL approved models have painted steel tanks and adjustable pad pressure low side torque.