Zoo Med?s New ReptiSun® T5 High Output bulbs provide the UVB and UVA from our long time trusted ReptiSun® lamps in a stronger output version. High Output T5?s are a great option for larger and taller enclosures as they provide UVB penetration at greater distances. The new HO T5 ReptiSun® bulbs are available in 5.0 and 10.0 varieties and in 22? 34? and 46? lengths for use in the new ReptiSun® HO T5 Hoods available in 24? 30? 36? and 48? sizes.