Monel 400 2 elements cartridge pressure filter. Manufactured by Memtec Southwest, type 0.1LH30-monel400-1F-C100. Design pressure 100 PSIG & full vacuum @250 degrees F. Filter 3.5" diameter x 48" high. Overall length 52:. Openings: Top 1-1", bottom 1-1".side 2-1".