Costway 4000 Gallon Pond Pressure Bio Filter w/ 13W UV Light 01357249 New air-conditioners-dehumidifiers and front and rear rails

and front and rear rails make setup

Its modular design allows you to form straight lines or curved layouts to suit your outdoor space

it offers strong durability and corrosion resistance for long-term use

antifreeze/back-draft trap door

Costway 4000 Gallon Pond Pressure Bio Filter w/ 13W UV Light 01357249 New air-conditioners-dehumidifiers and front and rear railsPackage including 1 Pressure filter with integrated uvc, 1 Spiral stepped hose adapter 1 transparent, 2 Spiral stepped hose adapter 1 black, 1 Spiral stepped hose adapter 1 threaded, black, 4 Union nuts 1 , 4 Flat seal, 1 Glass seal cover, 1 Instruction Made of high quality ABS material, resistant to sunlight and aging Comes with a UV bulbs system to inhibit the growth of algae With bio sponges to ensure the balance of water flow and the reproduction