OSPHO 1 Gal. Rust Treatment Mustee Stamped pattern on wrench handle

Stamped pattern on wrench handle for better grip

Mix 1/2 oz

it is recommended that all chimneys and vented appliances be inspected every year by a certified chimney sweep

sheds and barns

OSPHO 1 Gal. Rust Treatment Mustee Stamped pattern on wrench handleOSPHO is a rust inhibiting coating not a paint. OSPHO causes iron oxide (rust) to chemically change to iron phosphate an inert, hard substance that turns the metal black. Use on new metals, for new ferrous or aluminum metals. Is effective for exterior and interior work alike. Recommended for use under oil base primers and paints. Test a small area before using under epoxy or latex base paint. Covers approximately 600 Sq. Ft. per gallon. Normally