Weldtites bike cleaner has been completely reformulated from the ground up to give industry leading performance! Completely non-hazardous, biodegradable, vegan & cruelty free. The new formulation takes much of the drag out of cleaning your bike! The high-volume trigger has a fully adjustable nozzle to give both power and coverage, ensuring quick and effortless dirt removal, to get your bike back to showroom condition!Each bottle can be refilled quickly and conveniently with Weldtites Bike Cleaner Concentrate. (sold separately)A convenient 'fill line' is marked on the bottle for adding the concentrate, then simply top up with water to make the correct strength.