RBL 135 Polyethylene Air Hose Protective Sleeve (100 ft x 2.25 in) Manufacturer: RBL Products Brand: RBL Products. Manufacturer part number: 135. A durable polyethylene protective film that keeps air hoses clean. Features: The air hose protective sleeve is a durable polyethylene film that keeps the air hose clean. The narrow diameter of the protective sleeve fits closely to the circumference of the air hose for safe and easy maneuverability of the spray gun line. Removes dust, dirt, stained paint materials, fillers, caulk and grease between paint jobs. Excess paint adheres to the protective sleeve without peeling Disposable: When the sleeve gets dirty, remove it from the air hose and slide in a new length. Antistatic.