#636 LG Stove PipeThis huge stove pipe sponge measures 5 x 5 x 25 inches tall. These are made of a durable, flexible and nearly unbreakable UV stable polyurethane composite safe for all aquariums. These can be done in any color, even fluorescent glow in the dark colors! Pictured is the popular yellow and orange two tone variation. **NOTE If you would like these to be a lightweight urethane rigid foam material (easier to peg to substrate and not so top heavy, we will