Sunmaster 600w 400v Dual Spectrum Lamp



This lamp is for use with a 400v ballast or complete fixture. Do not use it with a standard 230v ballast!

Ideal for both vegetation and flowering

The Sunmaster Dual Spectrum high pressure sodium lamp has been developed specifically for horticultural use. It has an enhanced blue spectrum, making it ideal for use from start to finish.

This is a 400v high par output lamp, it can only be used with 400v digital ballasts.

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Shipping & Delivery

Shipping & Delivery

All our products are delivered in unmarked packaging.

Express parcel delivery service

All our products are shipped via DPD with email notifications 1 hour before delivery.  Prices are

  • Under 2KG - £3.99
  • Over 2KG - £7.99 
  • Free shipping on all orders over £250

Some postcodes within the UK, including but not limited to the Scottish Highlands and Northern Ireland will incur a delivery surcharge, for details please contact us PRIOR to placing an order.