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The Helvar EL1x18HF/Helvar EL1x18s, now a Helvar EL1x18NGN is a non-dimmable high frequency ballast to run 1 x 18w 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 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 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 EL1x58HF/Helvar EL1x58s, now a Helvar EL1x58NGN is a non-dimmable high frequency ballast to run 1 x 58w T8 fluoresent tube.

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 EL1x70HF, now a Helvar EL1x70s is a non-dimmable high frequency ballast to run 1 x 70w T8 fluoresent tube.

The Helvar EL2x18HF/Helvar EL2x18s, now a Helvar EL2x18NGN is a non-dimmable high frequency ballast to run 2 x 18w T8 fluoresent tube.

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 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 EL2x58HF/Helvar EL2x58s, now a Helvar EL2x58NGN is a non-dimmable high frequency ballast to run 2 x 58w T8 fluoresent tube.