This is a Helvar L18A 18w wire wound choke to run 1 x 18w T8 Fluorescent Tube

This is a Helvar L13D 13w wire wound choke to run 1 x 10w or 13w Double turn compact fluorescent lamp, 2 x 5w, 7w, 9w Single turn compact fluorescent lamp, 2 x 6w or 8w T5 fluorescent tubes or 1 x 13w T5 fluorescent tube.

This is a Helvar L13D 13w wire wound choke to run 1 x 5w, 7w, 9w, or 11w single turn compact fluorescent or 1 x 8w T5 Fluorescent tube

This is a Helvar L15A 15w wire wound choke to run 1 x 15w T8 Fluorescent Tube

This is a Helvar L30A-P 30w wire wound choke to run 1 x 30w T8 Fluorescent Tube or 2 x 15w T8 Fluorescent Tube

This is a Helvar L75A-S 75w wire wound choke to run 1 x 70w T8 Fluorescent Tube or 1 x 75w T12 Fluorescent Tube

The Helvar EL1x18HF, now a Helvar EL1x18s is a non-dimmable high frequency ballast to run 1 x 18w T8 fluoresent tube.

The Helvar EL2x18HF, now a Helvar EL2x18s is a non-dimmable high frequency ballast to run 2 x 18w T8 fluoresent tube.

The Helvar EL3/4x18HF, now a Helvar EL3/4x18s is a non-dimmable high frequency ballast to run 3 or 4 x 18w T8 fluoresent tube.

The Helvar EL1x36/40/28HF, now a Helvar EL1x36/40/18s is a non-dimmable high frequency ballast to run 1 x 36,40 or 18w T8 fluoresent tube.

The Helvar EL1x36/40HF, now a Helvar EL1x36/40s is a non-dimmable high frequency ballast to run 1 x 36,40w T8 fluoresent tube.

The Helvar EL1x58HF, now a Helvar EL1x58s is a non-dimmable high frequency ballast to run 1 x 58w T8 fluoresent tube.

The Helvar EL2x58HF, now a Helvar EL2x58s is a non-dimmable high frequency ballast to run 2 x 58w T8 fluoresent tube.

The Helvar EL ngn 1x18 is a non dimmable high frequency ballast is to run 1 x 18w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 2x18 is a non dimmable high frequency ballast is to run 2 x 18w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 4x18 is a non dimmable high frequency ballast is to run 4 x 18w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 1x36 is a non dimmable high frequency ballast is to run 1 x 36w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 2x36 is a non dimmable high frequency ballast is to run 2 x 36w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 1x58 is a non dimmable high frequency ballast is to run 1 x 58w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.

The Helvar EL ngn 2x58 is a non dimmable high frequency ballast is to run 2 x 58w T8 fluoresent tube.Long life time, Low cost in operation this means they have a smaller environmental impact.