Sustainable Horticultural Lighting The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Active Grow's mission is to help the world transition to sustainable food and medicine production by building the horticultural solutions of the future. Grow Lights for All Types of Growers, Plant Types & Applications Whether you're an experienced green thumb or a novice grower, Active Grow has you covered. We offer the largest selection of LED grow lights and lamps for any indoor growing application with thoughtfully designed spectrums for specific plant types and growth stages. 4-Pack T5 HO Plug & Play 4FT LED Grow Lamp Our high output T5 LED grow lamps produce tighter internodal spacing & fuller, heartier plants all while saving you energy. What can I grow? Best for vegetables, fruits, flowers, tropical plants and carnivorous plants. What's included? 4x 24W T5 HO Plug & Play 4FT LED Grow Lamps (Note: Each lamp is covered in our ClearSync protective film that improves water resistance and prevents glass shattering. Do not remove this clear protective film) 1x Lamp installation guide How do I know if my ballast is compatible with these T5 LED grow lamps? Compatible with most Hydrofarm, Agrobrite, Fulham and BallastWise ballasts and other major T5 grow light fixtures. Refer to ballast compatibility list in the product image gallery for additional ballasts. Not compatible with single lamp T5 fixtures. How do I install these T5 LED grow lamps in an existing T5 fluorescent light fixture? No rewiring necessary! If the ballast is compatible, simply remove the existing fluorescent lamps and replace with these T5 LED grow lamps. Where do I find the product specifications? Refer to the product comparison chart below or the specification sheet in the product image gallery for detailed specifications. Science Based Approach We use the latest independent research from the field to continually fine tune our products based on data points that matter most to growers. Grower Community First Whether you are a horticultural research institution or a home grower, we use all of our customer feedback to help improve your growing experience. Sustainably Focused For every sale we donate to 1% for the Planet programs that promote sustainable agriculture. Locally Based in Seattle, WA We work directly with local growers to develop the next generation of energy efficient and long-lasting alternatives to traditional grow lights. Compare Active Grow Products T5 Direct LED Grow Lamps Add to Cart Strip T5 LED Grow Lights Add to Cart T5 Bypass LED Grow Lamps Add to Cart T8 Bypass LED Grow Lamps Add to Cart T5 LED Grow Lights Buying Options Dual T8 LED Grow Lights Buying Options PAR38 E26 LED Grow Lamps Buying Options Customer Reviews 4.4 out of 5 stars 4 5.0 out of 5 stars 2 5.0 out of 5 stars 1 4.8 out of 5 stars 8 4.4 out of 5 stars 99 4.8 out of 5 stars 44 2.2 out of 5 stars 2 Price $129.00$129.00 $99.00$99.00 $129.00$129.00 $119.00$119.00 — — — Model number AG/24T5HO/4FT/PR/4 AG/22STRIP/4FT/PR/2 AG/25T5HOBB/4FT/PR/4 AG/22T8BB/4FT/PR/4 AG/T5HO4FIX/4FT/WS AG/40PFIX/4FT/WS AG/15PAR38/FL50/PS Power 24W 22W 25W 22W 100W (4x25W LED grow bulbs) 38W 15W Input voltage 120V 50-60Hz 120-277V 50-60Hz 120-277V 50-60Hz 120-277V 50-60Hz 120-277V 50-60Hz 120-277V 50-60Hz 120V 50-60Hz Requires ballast Yes (refer to list in images) No No No No No No PPF output (280-800 nm) 52 µmol/s 42 µmol/s 50 µmol/s 42 µmol/s 228 µmol/s 75 µmol/s 24 µmol/s Efficacy (280-800 nm) 1.86 µmol/J 1.91 µmol/J 2.00 µmol/J 1.91 µmol/J 2.28 µmol/J 1.97 µmol/J 1.60 µmol/J CRI NA NA NA NA 95 95 96 Daisy chain NA Yes (up to 20@120V) NA NA Yes (up to 3@120V) Yes (up to 12@120V) NA Dimensions (l x w x h) 45.63"x0.67"x0.67" 47.24"x2.76"x1.77" 45.63"x0.75"x0.75" 47"x1.02"x1.02" 46.5"x12.5"x1.7" 47.24"x5.08"x1.92" 4.75"x5.15" Weight 0.34 lbs (154 g) 1.82 lbs (827 g) 0.40 lbs (181 g) 0.40 lbs (181 g) 5.6 lbs (2.5 kg) 3.52 lbs (1.6 kg) 0.36 lbs (164 g) Lifetime 30,000 hrs 40,000 hrs 30,000 hrs 30,000 hrs 30,000 hrs (lamps) 40,000 hrs 30,000 hrs Other spectrum/size options Yes (check product family) Yes (check product family) Yes (check product family) Yes (check product family) Yes (check product family) Yes (check product family) No