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Home > Products > T-LED Grow Light Tubes > T8 LED Grow Tube > High CRI Ra70 1200mm Greenhouse LED GROW LIGHT T8 20W LED Tube for indoor multi tier hydroponics system

High CRI Ra70 1200mm Greenhouse LED GROW LIGHT T8 20W LED Tube for indoor multi tier hydroponics system

Product Description


18W 1200mm T8 full range light source LED plant growth lamp water culture growth light
Description :
Model Number :
Input Voltage :  AC100~240V
Power :  18W
Demension L:   1200mm Diam: 26mm
Photon PPFD:    86.50umol/m²/s @0.2m
Beam Angle:    60°/120°
Temperature Rise :  20K
Working Lifetime :   25000H

Description: RX-GW28-T8 LED Grow Light tube. Provide specialized full spectrums for different kinds of plants. 100 % no flicker, shooting without flash and protect your eyes. Ideal for family ornamental potted plants. Easy installation for vertical farms grow lighting.

  1. Meet the safety requirements around the world.

2. 100% no flicker, shooting without flash, protect your eyes.

3. K8N spectrum for ornamental plants, succulents, flowers and all kinds of potted plants.

4. K4 spectrum for vertical farm agricultural plants grow lighting.

5. Lenses type optionally, with more uniform spectral radiance to provide higher efficiency. Beam Angle: 60°.

6. Input Voltage: AC100~240V. PF>0.9. Power:18W.

7. Working Lifetime: 25000 hrs. Tc<57°C.


Model                                     RX-GW28-T8                                         RX-GW28-T8T

Dimension                                                L1200mm Ø26mm

Peak Wavelength     Full Spectrum K8N      Full Spectrum K4     Full Spectrum K8N     Full Spectrum K4

                                    60.46 @ 0.2m                61.16 @ 0.2m           85.50 @ 0.2m              86.50 @ 0.2m
Photon PPFD

(µmol/m²/s)               37.65 @ 0.3m               34.20 @ 0.3m           63.62 @ 0.3m              57.85 @ 0.3m

                                      20.7 @ 0.5m                15.84 @ 0.5m            41.54 @ 0.5m               31.72 @ 0.5m

Luminous flux           Flux 1837Lm                Flux 1216Lm                Flux 1720Lm                    Flux 1137Lm
Radiation Power       Fe 6.8W                        Fe 6W                               Fe 6.3W                            Fe 5.6W

Power Input                                                      18W PF>0.9 AC100~240V

                                   Ra 97                              For all plants               60° lens Ra 97 easy             60° lens Ra 70
Comment                  Easy to observe            Ra 70                                  to observe                Ideal for all plants
                                   ornamental plants,        Succulents and          Succulents, flowers           vegetables
                                   succulents, flowers       vegetables                       and potting
                                   and pottings

Operating Temperature: -30~40°C. Working Lifetime: 25,000 hrs (Note: Tcp<50 °C)
Beam Angle: 60°. Irradiation Distance: 0.3~0.6m. Beam Angle: 120°.

 Irradiation Distance: 0.2~0.4m

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Basic Knowledge

It's wrong concept brightness and illumination of grow light. 

Here below it's explanation;

PPFD (Photosynthetic Photon Flux Density): the PPFD plants completely irrelevant to Lux and Lumen.

PPFD is the important data of photosynthesis. According to PPFD to make out perfect light for plants. What plant needed is the light quantum in chlorophyll Effects of photosynthesis. Lux and Lumen is for human Perceiving.

Luminous flux and illumination of grow light:

Lux and Lumen is human Perceiving. It's not for grow light. If someone calls lm/w or lux for grow light, so he is not in the field or unprofessional.

PPFD it’s for grow light .Unit: µmol.m­²s­¹

Full spectrum-Simulated Solar Light

Some manufacturers extend the spectrum to red +blue+ other wavelength. Its not real full spectrum.

Not only higher CRI of plant photosynthesis is better. The green wavelength is useless and wasted .

But in some Ornamental plants high CRI can shows real color .

Using high CRI grow light for Ornamental planets, It will takes a good effect when the grow lights works in 660nm red part has to be strengthened.

LCP(Light compensation point): LCP is the lowest photosynthesis demands of PPFD unit : µmol.m-²s-¹.its effective only when PPFD exceed LCP.

LSP(light saturation point ): When PPFD reaches a certain intensity, the photosynthetic rate will no longer be increased. This is call PSP of PPFD.


Q1. Can I have a sample order for LED light?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?
A: Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than 100-200pcs.

Q3. Do you have any MOQ limit for LED light order?
A: Low MOQ, 1pcs for sample checking is available

Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive.
Airline and sea shipping also optional.

Q5. How to proceed an order for LED light?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.

Q6. How to send the Payment ?
A: Bank transfer, Western Union, Paypal, Credit Card and Cash is also acceptable.

Q7: Do you offer guarantee for the products?
A: Yes, we offer 2-3 years warranty to our products.

Our Company

Contact us if you need more details on LED Grow Lights Europe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Indoor Multi Tier Hydroponics System、Led Full Spectrum 4ft T8. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : T-LED Grow Light Tubes > T8 LED Grow Tube

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