4000K Cool White LED T8 lamps are probably the most common color temp as they can be an ideal choice for several applications. Many lumen packages are available from high-efficacy 9W or 10.5W LED T8 lamps that are 160+ lumens per watt to high output LED T8 lamps like the Keystone or TCP 25W 3000+ lumen LED T8 lamps that blow away fluorescent light levels. Keystone has 120V Dimmable (Forward Phase Control) LED T8 lamps as well as 0-10V Dimmable LED T8s. Compatible dimmers sold separately. Most bypass LED T8 lamps are single or double-end wired now - if you intend to re-wire to one end, make sure to use a non-shunted socket.
4000 Kelvin 4 FT LED - Type B Direct-Wire
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TCP LT814B2CCT $8.68 SelecT8 LED T8 4' 14W Color Select LED T8 Type B 3000K-6500KSpecial Price $194.95 Regular Price $260.95