The FLS-24 from Synergy Microwave Corporation is a Low Pass RF Filter with Frequency DC to 21.4 MHz, 3 dB Cutoff Frequency 24 MHz @ 3 dB, Insertion Loss 1 dB, Rejection 20 to 35 dB @ 32 to 42 MHz, Upper Rejection 20 to 35 dB. Tags: Surface Mount. More details for FLS-24 can be seen below.