![Amazon.com: Hydrofarm 6400K Bulbs, 4-Pack FLT5464 4-Feet 54-Watt T5 AgroBrite Fluorescent Replacement, 4 foot Daylight, Glass : Everything Else Amazon.com: Hydrofarm 6400K Bulbs, 4-Pack FLT5464 4-Feet 54-Watt T5 AgroBrite Fluorescent Replacement, 4 foot Daylight, Glass : Everything Else](https://images-na.ssl-images-amazon.com/images/I/41CU+XF2h8L._AC_UL600_SR600,600_.jpg)
Amazon.com: Hydrofarm 6400K Bulbs, 4-Pack FLT5464 4-Feet 54-Watt T5 AgroBrite Fluorescent Replacement, 4 foot Daylight, Glass : Everything Else
![Amazon.com: Hydrofarm FLT5464 FLT5464BK20 4-Feet 54-Watt AgroBrite Fluorescent Replaceme T5 4' Replacement Lamps, 6400K, 54W, case, 20 Count (Pack of 1), 6500K : Everything Else Amazon.com: Hydrofarm FLT5464 FLT5464BK20 4-Feet 54-Watt AgroBrite Fluorescent Replaceme T5 4' Replacement Lamps, 6400K, 54W, case, 20 Count (Pack of 1), 6500K : Everything Else](https://images-na.ssl-images-amazon.com/images/I/61xW62KAV1L._AC_UL600_SR600,600_.jpg)
Amazon.com: Hydrofarm FLT5464 FLT5464BK20 4-Feet 54-Watt AgroBrite Fluorescent Replaceme T5 4' Replacement Lamps, 6400K, 54W, case, 20 Count (Pack of 1), 6500K : Everything Else
![Amazon.com: Hydrofarm 6400K Bulbs, 4-Pack FLT5464 4-Feet 54-Watt T5 AgroBrite Fluorescent Replacement, 4 foot Daylight, Glass : Everything Else Amazon.com: Hydrofarm 6400K Bulbs, 4-Pack FLT5464 4-Feet 54-Watt T5 AgroBrite Fluorescent Replacement, 4 foot Daylight, Glass : Everything Else](https://m.media-amazon.com/images/I/41D0-bXKQDL._AC_UF894,1000_QL80_.jpg)