28.22 PPF 33-Watt LED Grow Light Bulb with Reflector, Full Spectrum, E26

Sale price$19.99 Regular price$24.99
SKU: GR-REF1SS

Save an Extra 5% on 3-Pack and 10% on 6-Pack


• 28.22 PPF
• Energy-efficient operation using only 33 watts
• Low heat output keeps plants cool and retains moisture
• Full spectrum color for boosting plant growth in all stages


Pack: 1-Pack
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Add 4 items to your cart. And use the code GTOneFree at checkout.

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20 pcs or more, 15% off
40 pcs or more, 20% off

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• 30 days money back guarantee
• Manufacturer's warranty
• US based customer support


Full spectrum

Full Spectrum

One Bulb for Different Growth Stages

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Pick the Right One for Your Space

PPF

17.29

12.85

13.09

28.22

52.54

40.1

Energy used

13 watts

9 watts

9 watts

33 watts

40 watts

35 watts

Red PF

9.857

6.32

6.5

18.66

35.31

18.66

Blue PF

1.867

2.43

1.62

6.09

11.48

6.09

Red Spectrum (nm)

610 nm

608 nm

620 nm

650 nm

645 nm

640 nm

Blue Spectrum (nm)

455 nm

456 nm

455 nm

440 nm

455 nm

450 nm

FAQs