ROBERTSON 2P20001 ISL432T8120 /B Quik-Pak of 10 (individually packaged) Fluorescent eBallasts for 4 F32T8 Linear Lamps, Instant Start, 120Vac, NPF. (Item 2P20001 has been replaced by Item 2P20135, Model IEA432T8120N /B) Equivalent to: Philips-Advance REL-4P32-SC,REB4P32N,Osram-Sylvania QTP4x32T8/UNV ISN-SC Equivalent to:Universal B432I120RH-A, B432I120RESA,General Electric GE-432-120-N,Sola E-758-F-432-SC Equivalent: Keystone KTEB-432LBF-1-TP-PIC,KTEB-432RIS-1-TP-SL,KTEB-432RIS-1-TP,Howard E4/32IS/120SC Also offered as a individually packaged version by ordering our ROBERTSON 3P20001 ISL432T8120 /B Five Year Factory Warranty-ONLY if the Amazon Seller is ROBERTSON WORLDWIDE.