Hillyard Defoamer II is a concentrated carpet and equipment defoamer formulated to protect the vacuum motors of carpet extractors, automatic floor scrubbers, shampooers, and wet/dry pickup vacuums from foam-related moisture damage — one of the most preventable causes of costly motor failure in institutional cleaning operations.

A stable white emulsion, Defoamer II pulls through the recovery system to break up foam at its source before it can be drawn into the electrical vacuum motor, where moisture accumulation causes rust, corrosion, and premature equipment failure. Fast-acting in both hot and cold water, it works across the full range of custodial extraction and scrubbing equipment at dilution ratios from 1:20 to 1:256 — approximately 0.5 oz. per gallon of recovery tank capacity.

Noncorrosive, phosphate-free, and free of caustics and acids. Non-hazardous per OSHA and DOT classification.

Facilities managers and custodial directors maintaining high-value extraction equipment can stock Defoamer II through Pro-San in 1-gallon bottles at wholesale institutional pricing.