TN 222808 Urethane Scrub Head Skirt for Tennant 5680 and 5700 Cylinder Scrub Brush Scrubbers. Extremely durable clear or black urethane scrub head skirt. For Tennant 5680/5700 Series cylinder brush scrubbers. These machines require 4 pieces, 2 per side. 7" x 3"h. 2 Holes. Polyurethane blades are commonly used for special situations where heavy oils or chemicals exist. These urethane blades are also very abrasion resistant and can be used in glass manufacturing facilities, bottling plants, or other areas where broken glass may be an issue. These can also be used on concrete sidewalks and similar abrasive surfaces. Two blades pictrued. Sold and Priced per Blade. Save money, see our discounted set of four, part 222819. Replaces Tennant 222808