Active Grow T8/T12 High Output 4FT LED Grow Light Bulb - T8 Grow Lights for Indoor Plants Germination & Microgreens - 22W - Sun White Full Spectrum High CRI 95 - Ballast Bypass 120-277V - 4-Pack

- Premium T8 full spectrum LED grow lights ensure your indoor garden thrives all year. The perfect plant light for indoor plants like microgreens, seedlings, vegetables, greens, herbs and house plants. - This 4FT grow light works with any T8 fluorescent light fixture by bypassing the ballast and wiring the lamp holders (requires non-shunted) to one end. REFER TO INSTALLATION GUIDE IN PRODUCT IMAGES. - Uses just 22W, 45% less energy than T8 fluorescent grow light bulbs. Each LED grow bulb produces little to no heat compared to fluorescent tubes, creating a safe environment for plants and growers. - Active Grow’s Sun White Full Spectrum light mimics natural sun light conditions and appears white with a 4000K CCT and high CRI 95. Ideal for every stage of plant growth from seedlings to harvest. - Lamp features a high 44 PPF total output, an extra-long 30,000 hour lifetime and a limited warranty. Active Grow is locally based in Seattle, WA providing same day response and friendly support.

Product description

Sustainable Horticultural Lighting

Grow Lights for All Types of Growers, Plant Types & Applications

4-Pack

T8 HO Ballast Bypass 4FT LED Grow Lamp

What can I grow?

What's included?

Can these T8 LED grow lamps be used with a fluorescent ballast?

How do I install these T8 LED grow lamps in an existing T8 fluorescent light fixture?

Where do I find the product specifications?

Science Based Approach

Grower Community First

Sustainably Focused

Locally Based in Seattle, WA

Compare Active Grow Products

Active Grow's mission is to help the world transition to sustainable food and medicine production by building the horticultural solutions of the future.

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.

Our high output T8 LED grow lamps produce higher germination rates & faster growth cycles all while saving you energy.

What can I grow?

Best for tissue culture, microgreens, leafy greens, herbs, flowers, vegetables and carnivorous plants.

What's included?

4x 22W T8 HO Ballast Bypass 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

Can these T8 LED grow lamps be used with a fluorescent ballast?

No! These single-ended T8 LED grow lamps require line voltage (120-277V) powered to the end cap marked with L N and cannot be used with a fluorescent ballast of any kind. Refer to the installation guide and video in the product image gallery.

How do I install these T8 LED grow lamps in an existing T8 fluorescent light fixture?

Remove the existing ballast and wire the lamp holders (requires non-shunted) to a single end. Insert the T8 lamp ends marked with L N into the wired lamp holders. Refer to the installation guide and video in the product image gallery for details.

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.

We use the latest independent research from the field to continually fine tune our products based on data points that matter most to growers.

Whether you are a horticultural research institution or a home grower, we use all of our customer feedback to help improve your growing experience.

For every sale we donate to 1% for the Planet programs that promote sustainable agriculture.

We work directly with local growers to develop the next generation of energy efficient and long-lasting alternatives to traditional grow lights.