The 2275-1 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 0.1 MHz, Stopband Frequency 160 KHz, 3 dB Cutoff Frequency 0.1 MHz, Lower Rejection 52 dB@160 KHz, Upper Rejection 3 dB@160 KHz. Tags: Plug In. More details for 2275-1 can be seen below.