Fluence RAY66 LED Grow Light | LED Cultivation | Greenhouse Light
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Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)


The longest RAY family member at 66″, RAY66 also offers a choice of six spectra and is ideal for a variety of applications.

Buy in volume and save!



NEMA 6-15P

NEMA 5-15P

AC Cord length 6 Feet 6 feet 15 Feet 15 feet +$10
Plug type NEMA 5-15P NEMA 5-15P NEMA 6-15P NEMA 6-15P +$10 NEMA L7-15P NEMA L7-15P +$15 Pigtails Pigtails
Spectrum PhysioSpec Indoor PhysioSpec Indoor PhysioSpec Greenhouse PhysioSpec Greenhouse AnthoSpec AnthoSpec PfrSpec PfrSpec PrSpec PrSpec UVSpec UVSpec
Clear selection
SKU: RY-6-X-1-XX-XX-R Category:


The longest member of the RAY family, RAY66 is available with six different spectral compositions for full-cycle growth and supplemental photomorphogenic response. The Fluence RAY LED grow light comes with a 120-degree beam angle for close-proximity cultivation, which minimizes the amount of light on the floor, thus maximizes your growth rate and your ROI.


Current lead time projection is 2 weeks from payment received. We are experiencing high volume and ramping our manufacturing as quickly as possible without sacrificing quality.

Suitable for operation in still air ambient temperatures from -40°C (-40°F) to 35°C (95°F) when suspended and up to 30°C (86°F) when surface mounted. Operating temperature ranges between 25°C (77°F) to 30°C (86°F) above ambient.

We recommend at least one ft3/S of airflow to ensure efficient cooling. Proper air flow will also increase the maximum suitable operating temperature and help extend lifetime of system.

66L x 2.2W x 1.4H in

1 lb

66″ x 2.2″ x 1.4″

Designed and built in Austin, TX. Anodized, extruded aluminum alloy chassis with integrated heatsink for longevity and passive, natural convection thermal management (no fans or moving components).

RAY comes equipped with the specially designed RAY bracket, which enables full rotation of the bar.

RAY66 is available with these spectra:


PhysioSpec Indoor
PhysioSpec Greenhouse


For more information: www.fluence.science/physiospec

Input voltage is 100-277v.

Amperage depends on fixture wattage and input voltage. Below are general estimates. Actual figures may vary.

PhysioSpec Indoor (120W) — Amps @ 120V:  1A | Amps @ 208V:  .6A | Amps @ 240V: .5A | Amps @ 277V: .4A


PhysioSpec Greenhouse (120W) — Amps @ 120V:  1A | Amps @ 208V:  .6A | Amps @ 240V: .5A | Amps @ 277V: .4A


AnthoSpec (125W) — Amps @ 120V:  1A | Amps @ 208V:  .6A | Amps @ 240V: .4A | Amps @ 277V: .3A


PrSpec (100W) — Amps @ 120V:  .8A | Amps @ 208V:  .5A | Amps @ 240V: .4A | Amps @ 277V: .4A


PfrSpec (100W) — Amps @ 120V:  .8A | Amps @ 208V:  .5A | Amps @ 240V: .4A | Amps @ 277V: .4A


UVSpec (120W) — Amps @ 120V:  1A | Amps @ 208V:  .6A | Amps @ 240V: .5A | Amps @ 277V: .4A

All RAY systems are guaranteed against manufacturing defects for three years with projected lifetime of 100,000 operating hours to 70 percent of initial flux. www.fluence.science/warranty

Volume pricing

1-9 $325.00
10-24 $315.25
25-39 $305.50
40-59 $292.50
60 + Contact Fluence Sales

Additional Information


PhysioSpec Indoor, PhysioSpec Greenhouse, AnthoSpec, PfrSpec, PrSpec, UVSpec

AC Cord length

6 Feet, 15 Feet

Plug type

NEMA 5-15P, NEMA 6-15P, NEMA L7-15P, Pigtails

Reviews (2)

2 reviews for RAY66

  1. Rated 5 out of 5

    German Molina (verified owner)

    Worderful addition to an all hps bloom room.. amazing to see the difference the added spectrum gives to the yield and morphology of the cultivars in the room. Love my RAY 66s

  2. Rated 5 out of 5


    Amazing in veg! We use Greenhouse and PhysioSpec Ray66 for an extremely small veg room with angled walls where the Spydr design won’t work! They’re like a magic wand. Sick plant? Deficient plant? Just toss em under the Fluence magic! And of course they’re stellar for all the healthy plants of any size in your stable!! Would never use anything else again! Period!!

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