J.P. Weigle J.P. WEIGLE'S FRAME SAVER 4.75 OZ AEROSOL CAN Internal rust protection for steel frames HazMat item not eligible for air shipment Sprays on as a liquid so it can get into all the nooks and crannies inside the frame One can treats 3-5 frames Once the solvent evaporates, a waxy protective coating remains on the treated surface