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24* black rubber strip and black rubber ring
will never break or slip and will not rust
Simply place the pH probe into the solution and the reading will be displayed on the screen
5" with hole
Durable white powder-coated finish
Ushio AMH 1000 Opti Blue Organic Labs 24* black rubber strip and400, 600 and 1000 watt SUPER high output MH with maximized output in both blue and red spectral range. Outperforms standard MH bulbs. Conversion bulb to operate on ANSI coded HPS ballast. Optimized for maximized branching and vegetative growth and added red spectrum for flowering efficiency. Note: No Return or Refund on this product