LSE Lighting GPH436T5L 21W Preheat UV Germicidal Tube LED Lamp 4-Pin Base - Walmart.com
Fulight (4-Pack) Rotatable LED F21T5 Tube Light- 34-Inch 10W (21W Equivalent), Cool White 4000K, Double-End Powered, Frosted Cover -110/120VAC - Amazon.com
AgroLED T5 LED Replacement Bulb (2') (Bloom) (21W) - Year-Round Garden | Grower's Supply Center
Ushio 21W 34in T5 Warm White Fluorescent Tube | F21T5/830 | Bulbs.com
LED T5 Tube Light, 4 ft. "HO" High Output, Only 21W - LEDtronics | 2760
LED T5 HO Tube Light, Lumens 2481 lm, Only 21 Watts
T5 LED 21W UV grow light-plant light-led grow lights - SANJIN Lighting
TL5-21W-835 Fluorescent Lamp | AAMSCO Lighting
T5 LED 21W Bloom - SANJIN Lighting
GOCuces T5 LED Tube Lights 13W Replace to F21T5 G5 Base 21W Fluorescent Bulb | eBay
Tube Fluorescent T5 IN Strip Ultrafine White 8w 13w 21w Switch Bulb | eBay
OSRAM LED SubstiTUBE HE HF 0.85m 10W/21W G5 1500lm/865 50Y | Kratochvil
T5 LED 21W Bloom - SANJIN Lighting
GOCuces T5 LED Tube Lights 13W Replace to F21T5 G5 Base 21W Fluorescent Bulb | eBay
Osram SubstiTUBE LED T5 (UN) High Efficiency 10W 1350lm - 830 Warm White | 85cm - Replaces 21W| Any-lamp
LEDVANCE 20921 White, Sylvania High Performance 21W T5 Linear Fluorescent Lamp, 3500K Bright, Dimmable, 1 Pack - Amazon.com
Osram Lumilux T5 FH HE 21W - 827 Extra Warm White | 85cm| Any-lamp
Sylvania FP21/841/ECO 21 Watt 34 Inch T5 Linear Fluorescent
3 ft LED 12 Watt T5 Bulb - Plug&Play - 21W Replacement - 1,550lm - 4 P – ONBULBLED
Bulbrite 21W - T5 - Mini Bi-Pin Base - 6500K - 24,000Hrs - Daylight White Light Color - Linear Fluorescent Light Bulbs (Pack of 20 Bulbs) - - Amazon.com
PHILIPS 21W 34in T5 Warm White Fluorescent Tube - Amazon.com
SUNLITE 21W 34 inch Neutral White 3500K T5 Fluorescent Tube Bulb - F21 – BulbAmerica
