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    1. eBay
    2. Home & Garden
    3. Yard, Garden & Outdoor Living
    4. Hydroponics
    5. Grow Light Ballasts
    6. 400w ballast
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    400w ballast

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    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
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    • List View

    1,377 Results

    • VIVOSUN 400W 600W 1000w Dimmable Digital Ballast for Grow Light HPS MH Bulb US

      VIVOSUN 400W 600W 1000w Dimmable Digital Ballast for Grow Light HPS MH Bulb US

      5 out of 5 stars
      (13)13 product ratings - VIVOSUN 400W 600W 1000w Dimmable Digital Ballast for Grow Light HPS MH Bulb US
      $75.60 to $702.60
      Was: $79.58
      28 sold
    • VIVOSUN 400W 600W 1000W Digital Dimmable Electronic Ballast for HPS MH Grow Lamp

      VIVOSUN 400W 600W 1000W Digital Dimmable Electronic Ballast for HPS MH Grow Lamp

      $75.99 to $99.74
      Was: $79.99
      5 watching
    • Phillips Advance 250W And 400W Ballast Kits.

      Phillips Advance 250W And 400W Ballast Kits.

      $29.00
      $32.00 shipping
      or Best Offer
    • Mars Hydro TSL 2000W Led Grow Light Full Spectrum for Indoor Plants All Stage IR

      Mars Hydro TSL 2000W Led Grow Light Full Spectrum for Indoor Plants All Stage IR

      5 out of 5 stars
      (18)18 product ratings - Mars Hydro TSL 2000W Led Grow Light Full Spectrum for Indoor Plants All Stage IR
      $207.99
      Was: $433.31
      or Best Offer
      1,004 sold
    • Horticulture 400w Watt MH HPS Digital Dimmable Grow Light Ballast

      Horticulture 400w Watt MH HPS Digital Dimmable Grow Light Ballast

      $37.00
      0 bids
      Free shipping
      Ending Aug 4 at 8:20PM PDT4d 6h
      or Best Offer
    • VIVOSUN 400W Digital Dimmable Electronic Ballast for HPS/MH Grow Light System

      VIVOSUN 400W Digital Dimmable Electronic Ballast for HPS/MH Grow Light System

      $62.00
      Free shipping
      or Best Offer
    • iPower 400W 600W 1000W Digital Dimmable Electronic Ballast for HPS MH Grow Light

      iPower 400W 600W 1000W Digital Dimmable Electronic Ballast for HPS MH Grow Light

      $95.99 to $109.99
      Free shipping
      1,219 sold
    • GE Metal Halide Ballast GEM400ML5AA4-5/2 ,400W- M-59 72300 NEW #06E20PR6

      GE Metal Halide Ballast GEM400ML5AA4-5/2 ,400W- M-59 72300 NEW #06E20PR6

      $39.95
    • SPL 1000w 600w 400w Watt MH/HPS Grow Light Bloom Garden Bulbs Lamps for Ballast

      SPL 1000w 600w 400w Watt MH/HPS Grow Light Bloom Garden Bulbs Lamps for Ballast

      3.5 out of 5 stars
      (3)3 product ratings - SPL 1000w 600w 400w Watt MH/HPS Grow Light Bloom Garden Bulbs Lamps for Ballast
      $15.46 to $24.95
      Free shipping
      351 sold
    • VIVOSUN 400w 600w 1000w Watt Bloom HPS Grow Light Bulb Ballast HID Lamp 2100K

      VIVOSUN 400w 600w 1000w Watt Bloom HPS Grow Light Bulb Ballast HID Lamp 2100K

      $25.37 to $90.23
      Was: $49.99
    • 400w hps ballast Oracle

      400w hps ballast Oracle

      $75.00
      0 bids
      $71.45 shipping
      Ending Aug 6 at 9:56AM PDT5d 19h
      or Best Offer
    • Metal Halide Ballast 175W Watt Multi 120V 208V 240V 277V

      Metal Halide Ballast 175W Watt Multi 120V 208V 240V 277V

      $33.99
      Free shipping
      103 sold
    • PHILIPS ADVANCE 71A8473-001D 400W HPS BALLAST KIT for S51 HIGH PRESSURE SODIUM

      PHILIPS ADVANCE 71A8473-001D 400W HPS BALLAST KIT for S51 HIGH PRESSURE SODIUM

      $39.99
      Was: $59.99
      Only 1 left!
    • METAL HALIDE BALLAST 400W MULTI 5 TAP

      METAL HALIDE BALLAST 400W MULTI 5 TAP

      5 out of 5 stars
      (1)1 product ratings - METAL HALIDE BALLAST 400W MULTI 5 TAP
      $21.99
      $23.20 shipping
      or Best Offer
    • Horticulture 250w 400w 600w 1000 Watt MH HPS Digital Dimmable Grow Light Ballast

      Horticulture 250w 400w 600w 1000 Watt MH HPS Digital Dimmable Grow Light Ballast

      $75.90 to $103.90
      Was: $168.90
      Free shipping
    • 400w MULTI LAMP HPS MH GROW LIGHT System Ballast w Bulbs Sodium Halide 400 watt

      400w MULTI LAMP HPS MH GROW LIGHT System Ballast w Bulbs Sodium Halide 400 watt

      $154.95
      $33.40 shipping
      25 watching
    • ELT 400w Ballast Type HG/MH 220V VMI 40/22-26 Bent Mounting Bracket

      ELT 400w Ballast Type HG/MH 220V VMI 40/22-26 Bent Mounting Bracket

      $27.99
      Was: $34.99
      Free shipping
      or Best Offer
    • NextGen 400 Watts Digital Ballast Next Gen 400w CAP - USED

      NextGen 400 Watts Digital Ballast Next Gen 400w CAP - USED

      $20.00
      $8.50 shipping
    • Galaxy Grow Amp Ballast Select a Watt 400w 600w 1000w + Turbo Model 902220

      Galaxy Grow Amp Ballast Select a Watt 400w 600w 1000w + Turbo Model 902220

      5 out of 5 stars
      (13)13 product ratings - Galaxy Grow Amp Ballast Select a Watt 400w 600w 1000w + Turbo Model 902220
      $99.00
      $29.00 shipping
    • LUMATEK ELECTRONIC BALLAST

      LUMATEK ELECTRONIC BALLAST

      $109.00
      $14.99 shipping
    • Apollo Horticulture 400w Dimmable Digital Ballast - 50% 75% 100% Dimmable

      Apollo Horticulture 400w Dimmable Digital Ballast - 50% 75% 100% Dimmable

      $82.50
      Free shipping
    • iPower 400W Digital Dimmable Electronic Ballast for HPS MH Grow Light 1/2-Pack

      iPower 400W Digital Dimmable Electronic Ballast for HPS MH Grow Light 1/2-Pack

      $95.99 to $175.99
      Free shipping
    • Brand New 400W 600W 1000W HPS/MH Digital Ballast Grow Light

      Brand New 400W 600W 1000W HPS/MH Digital Ballast Grow Light

      $81.69 to $96.89
      Was: $89.99
      Free shipping
    • Lumatek 1000w Digital Ballast 120v/240v Dimmable 400w/600w/1000w/1000w SL

      Lumatek 1000w Digital Ballast 120v/240v Dimmable 400w/600w/1000w/1000w SL

      $125.00
      $39.99 shipping
      5 watching
    • VIVOSUN 400w Watt Dimmable Digital Electronic Ballast for Grow Light

      VIVOSUN 400w Watt Dimmable Digital Electronic Ballast for Grow Light

      5 out of 5 stars
      (2)2 product ratings - VIVOSUN 400w Watt Dimmable Digital Electronic Ballast for Grow Light
      $59.99
      $12.99 shipping

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