Equivalent to: Philips-Advance ICN2S39,Osram-Sylvania QTP2X39-24T5HO/UNVPSN,Universal B239PUNVD * Equivalent to: Hatch HL239HO/PS/UV/S, HL239HO/PS/UV/W, Fulham RHS230149LT5, RHS230249LT5 * Equivalent to: Keystone KTEB-239HO-UV-PS-SL, Halco EP239/HO/PS/MV, Howard EP2/39HO/PRS/MV * Save 7% and order the Quik-Pak of 10 individually packaged ROBERTSON units: 2P20088 PSA239T5MV /A * Five Year Factory Warranty-ONLY if the Amazon Seller is ROBERTSON WORLDWIDE.