Patent ID: 6919023

Claim:
An acid neutralizing filter, comprising: a canister having an open end; an end plate secured to the canister at the open end, the end plate having an inlet port and an outlet port; a reactor housing arranged inside the canister, the reactor housing comprising a bowl and a lid, the reactor housing comprising an entrance port and an exit port; an acid neutralizing bed of acid neutralizing particles in the reactor housing, the acid neutralizing particles comprising primarily of calcium carbonate; a particulate filter in the reactor housing between the acid neutralizing bed and the exit port; a predetermined flow passage through the acid neutralizing filter passing in sequence through the inlet port, the entrance port, the acid neutralizing bed, the particulate filter, the exit port and the outlet port; and wherein the bowl includes an end wall and a tubular sidewall, the sidewall having a plurality of ribs that extend axially and that are angularly spaced.