LH10-90 Lamp Holder for HID or CFL socket E40 Athena 19mm tubing fits perfectly onto

19mm tubing fits perfectly onto the 19mm elbow

Designed for use with HID lighting and high power uses in mind

Fit for the Heliophile

• Enhanced Plant Health: Elevated CO2 levels improve photosynthesis

Increased strike rate from the gel holding the active ingredient against the plant tissue

LH10-90 Lamp Holder for HID or CFL socket E40 Athena 19mm tubing fits perfectly ontoLH10 90 Lamp Holder for CFL or HID lamps Suitable for Size E40 Note: This one is an Australian lighting lamp holder which has a ROUND earth pin. it's designed to fit into a HID ballast. (Not your CFL lamp) It CAN NOT be used directly into the wall socket. If it is to be used with a CFL lamp, you will need to add an adaptor.