Spider Farmer SF4000 450W LED Grow Light 4x4FT for Grow Tent, Smart Control 2026 For Sale

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 µmol/JWattage: 450W±5%
Coverage: 4x4ftGrow Tent Compatible: 120x120cm/4x4ft
Recommended Fan Size: 100mm/4inch

• Package includes:

1 x SF4000 LED Grow Light1 xPowerCord2 x Rope Rachets (yoyo)
1 x User Manual

TOP FEATURES
BETTER LIGHT PENETRATION: TheNew SF4000features upgraded high-performance Bridgelux LEDs, delivering strong, even light output with excellent canopy penetration. With an increased diode count and optimized layout, light efficacy, PPF output, and uniformity remain consistent with the previous Samsung-based version—helping you achieve reliable yields.HIGH EFFICIENCY & PREMIUM U.S. BRAND DIODES:The SF Series is engineering-upgraded with high-performance Bridgelux diodes, increasing diode count so each LED operates under lower load for reduced stress, improved thermal stability, and extended lifespan.Veg footprint is 5 x 5 ft, Flowering footprint is 4 x 4 ft.DIMMING DESIGN: The dimming knob can adjust the light intensity at liberty. Multi-light Connection with unified dimming is especially beneficial for large areas of indoor growing and commercial planting.IDEAL FOR ALL GROWTH STAGES: With excellent full spectrum light – white, blue, red and IR (3000K, 5000K, 660nm and IR 760nm), the 3000K diodes provide more reddish light and the 5000K diodes provide more blueish light. The 660nm red and IR light is especially useful during blooming stages as it speeds up flowering time and boosts yields. Turn your seeds into your own supply!WELL MADE & SOLID CONSTRUCTION: The SF4000 produces no fan noise, comes equipped with a branded high safety performance driver and good quality waterproofing. The updated aluminum material is thick and sturdy and doesn’t put out a tremendous amount of heat while also providing high-quality protective covers for cables and arriving in user-friendly packaging. The quality components mean the light lasts longer and saves you money.As a professional manufacturer of Led grow lights for more than 10 years. Spider Farmer has always insisted on creating more efficient, suitable and high-quality home planting equipment for plant growth, and strives to become a trusted partner for every grower! You will get a Spider Farmer SF4000 grow light, instruction manual, a pair of silver hooks, a pair of black hangers.WarmTips:
1.DoNOTtouchwhileinoperation.
3.In summer or other hot environments, please use a cooling fan to keep a suitable temperature for your plants.
4.GGS Smart System is not included in the package. LightSF-1000-DSF-1000SF-2000SF-2000PRO SF-4000SF-7000SF SERIESGrow LM301BPower />@AC120-277V

200W±5%
@AC120-277V

450W±5%

Grow tents

Grow rooms

Large indoor grows

Vegetative growth & flowering

Full-cycle growing from seedling to flower

Soil, hydroponic, aeroponic or aquaponic systems

1. We accept payment only.
2. Please make payment within 7 days as will open UNPAID case automatically. If you don\'t need it, please inform us within 7 days too.

1. We ship daily Monday - Friday from USA local warehouse. All orders will be shipped within one working day after & Handling rate is fixed and non-refundable.
2. If an address change is needed, you will be responsible for any fees associated in the condition that you get in touch with us after we ship your note that courier-imposed remote-area surcharges may apply; please contact us if insure about details.

1. Goods can be no reason to return and exchange in 30 days.
2. If a defect arises within 1 year, Spider Farmer will provide free after-sale service. If customer return a product or part that is ineligible for service, Spider Farmer will charge customer credit card/paypal for the authorized amount.
3. The LED lights purchased for 1 to 5 years can get free accessories or trade-in allowance.

1. We will leave a positive response immediately after receiving the response from you. We appreciate a positive response as much as you do. If there is any issue with the purchase, please get in touch with us prior to leaving response, and we will be glad to work with you to have it resolved.
2. Please don\'t give us neutral and negative response before get in touch with us. Don\'t forget that good communication can solve all problems.
3. You will get a reply or solution within 24 hours. If there is no response after 48hrs, it should be system blocked our message, please provide us your email then we can sort the issue out for you asap.

1. If you are not satisfied with your order, please message us. We will respond to your questions within one business day.
2. Please do notice:
   1. NO returned product will be accepted and inspected without a \"Return Request\" approved by SPIDER FARMER.
   2. Please keep the return package intact and provide pictures to expedite refund review. If accessories (e.g. wires, controllers, hangers) are missing, the product cannot be returned or exchanged.