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2026 Updated Version The SF4000 has been upgraded to Premium Bridgelux high-efficiency LEDs while maintaining the same output, uniformity, and reliable performance.
PPE: 2.7 umol/J Coverage: 4’X4′ Grow Tent Compatible: 4’X4′ Recommended Fan Size: 6-Inch
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Product Name: Spider Farmer SF4000 LED Grow Light
Product Identification: Product Identification:
Brand: Spider Farmer
Product Model: SF4000
Product Series: SF Series
Product Dimensions: Product Dimensions:
Light Size: 25.51 x 21.10 x 1.97 Inch (64.8 x 53.6 x 5.0 cm)
Core Coverage: 4×4 ft.
Max Coverage: 5×5 ft.
Net Weight: 14.07 lbs. (6.38 kg)
Gross Weight: 18.89 lbs. (8.57 kg)
Grow Tent Compatible: 4’x4′
Recommended Fan Size: 6-Inch
Product Technical Specifications: Product Technical Specifications:
PPF: 1171 umol/S/embed/6cf1jFAiVlQ” title=”YouTube video player” frameborder=”0″ allow=”accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture” allowfullscreen>
Spider Farmer SF4000 450W Dimmable Full Spectrum LED Grow Light
Original price was: $319.99.$63.99Current price is: $63.99.






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