PLS fluorescent tube 5W/7W/9W/11W/13W Lifetime: 8000hrs PLS fluorescent tube PLS 2PIN BASE PLS 5W: 250lumens, G23PLS 7W: 400lumens, G23PLS 9W: 540lumens, G23PLS 11W: 695lumens, G23PLS 13W: 780lumens, GX23 PLS 4PIN BASE PLS 5W: 250lumens, 2G7PLS 7W: 400lumens, 2G7PLS 9W: 540lumens, 2G7PLS 11W: 695lumens, 2G7PLS 13W: 780lumens, 2GX7