Flood Pro Series No Scent All Purpose Cleaner Liquid 1 gal. (Pack of 4)Advanced formulation protects wood from the inside out to guard against moisture and sun damage while adding a slight hint of color. Fortified with Penetrol for excellent penetration. Recommended for use on any properly prepared exterior wood, including decks, fences, siding, railings, outdoor furniture and other wood surfaces. Apply to new, dry, pressure treated wood, uncoated new or weathered wood or wood previously stained or painted. Apply