Matala Spectrum Stainless Steel Ultraviolet Clarifiers Connections:No Unions Included so the only consideration is

so the only consideration is the wattage and inlet/outlet size of the unit

and aquatic plants

1½" quick disconnect unions and 1½" drain plug for easy debris removal

Each individual Rock Light is about 5

Screened inlet

Matala Spectrum Stainless Steel Ultraviolet Clarifiers Connections:No Unions Included so the only consideration isMatala Spectrum Stainless Steel Ultraviolet Clarifiers are high output units designed to help bring you perfect water clarity. These easy to install clarifiers require little maintenance and boast a long service life. High output Philips UV bulbs and high quality quartz sleeves to maintain an output of 254nm High output bulbs and large body diameter allow high flow rates Visual LED display indicates when unit requires service Polished stainless steel