Low frequency signals, Reforming electrolytic capacitors, Aluminum oxide

 EEU-FR Series 35 V 2200 uF Ø 12.5 x 35 mm LS=5 mm 105 °C Low ESR Electrolytic

https://www.futureelectronics.com/p/passives--capacitors--aluminum-electrolytic-capacitors/eeu-fr1v222l-panasonic-4028797