Image | Item | SKU | Bulb Shape | Color Temperature (kelvin) | Status | Wattage | | | | |
| Hera Lighting LRL/T5/34/4000/HE LED replacement lamp for the F21T5/4100K fluorescent | 74387 | T5 | 4000 | Available | 15 | Compare | | |
| Halco T5FR25/840/BYP/HO/L... 45.27 inch, 4000K, T5 LED, ballast bypass lamp | 74784 | T5 | 4000 | Available | 25 | Compare | | |
| Halco T5FR25/840/DIR2/HO/... 45.2 inch 4000K, T5 LED, direct replacement lamp | 74769 | T5 | 4000 | Available | 25 | Compare | | |
| Halco T5FR25/850/BYP/HO/L... 45.27 inch, 5000K, T5 LED, ballast bypass lamp11 | 78950 | T5 | 5000 | Available | 25 | Compare | | |
| Halco T5FR25/850/DIR2/HO/... 45.2 inch 5000K, T5 LED, direct replacement | 74771 | T5 | 5000 | Available | 25 | Compare | | |