The Dr Dirt Foam Lance spare bottle is a uniquely designed foam lance container. Unlike traditional containers, this is conical which makes it stand firmly on the surface without tipping over. There is a measuring scale on the side of the bottle. Bottle holds up to 0.8L (800ml). Suitable for most models on Foam Lance on the market, eg. PA Foam Lance. Thread diameter 28 mm. Please measure before purchasing. Please note - Foam Lance itself is NOT included.