FGI Square 3 320w LED Grow Light 3x3 4000k + 660nm + 730nm Diodes & Dims

FGI Square 3 320w LED Grow Light 3x3 4000k + 660nm + 730nm Diodes & Dims


Regular price $ 479.00 $ 379.00 Sale


The FGI Square 3 is our original 320W full spectrum + red + far red LED flowering light. This light can run full cycle from seedling to veg to flower. Our innovative square within a square within a square is designed for maximum light coverage and intensity.


Meet the Square 3

Maximum yield and potency is always our goal. The Square 3 lives up to it's reputation as our top 3x3 LED grow light. Grow with precision and control using the built in variable dimming. 


Cover a 3'x 3' area at 800 umols/ms uniformly, veg up to a 4' x 4' at 400 umols/ms uniformly. 


What makes the Square different? We add both 720NM (far red) diodes as well as 660nm (red) diodes along with 4000K CCT full spectrum.

Grow with Far Red Energy 


Top quality construction including a clear lens to protect the diodes from overspray. A full 5 year warranty provides peace of mind. And a 60 day no-hassle return policy means no regrets.

We've built everything we know about growing in to this compact 22" x 22" unit and its lightweight too at just 18 lbs. It's easy to handle and hang in any grow space. 

The FGI Square 3. Give your plants the gifts that Mother Nature provides in the wild.


General Design Description   22" x 22" Square in Square Smart Grow Light
Diodes (White)   
Brand name: Shenzhen Lideda
Number of pieces 960
CCT   4000K
Other color Diodes (Red) 
Brand Name: Shenzhen Lideda
Number of pieces 256
Wavelength 655-665nm
Other color Diodes (FR)   
Brand Name: Shenzhen Lideda
Number of pieces  64
Wavelength 730-745nm
Ratio mix white/red (%) 3:1
Product Warranty/Longevity   
Warranty (years)  5 years
Lifetime (L-90) - in hours  50,000 hours
Photosynthetic Light Measurements  
PPF Output*  700 umol/s
PPF Efficacy* PPF 2.3 umol/J
Photopic Light Measurements  
Luminous Flux* 50,000 lm
Luminous Flux Efficacy 160 lm/w
Input Power Watts  310W
Input Voltage  110V
Cord length  8' (2.44m, 18AWG )
Plug type (note if bare whip)  Molded 110V
Product Dimensions  
Dimensions W x L x H (inches)  22 x 22 x 3.5
Weight (pounds)  13
Operating Temp range (F)  -20℃ — +40℃
IP rating  IP20
Rating CSA
Physical Dimensions  
Package Dimension W x L x H (inches) 27 x 26 x 6.5

Dimming / Tuning  
Dimming (Yes/No)  Yes

Product Warranty (see our warranty here)

5 years

Customer Reviews

Based on 1 review Write a review
Welcome Newcomer