SFT37T65K291B-F SFT37T70-10K391E-F SFT37T70-5K391E-F SFT37T70-7.5K391E-F SFT37T70K291B-F SFT37T75K391B-F SFT37T80-10K391E-F SFT37T80-5K391E-F SFT37T80-7.5K391E-F SFT37T80K391B-F