Stage 1: Polypropylene filter (under 5 microns) – removes dirt, sand, stones, and rust.
Stage 2: Activated carbon filter – absorbs chlorine, alum, and bad odors.
Stage 3: Solid carbon filter – removes fine particles (under 1 micron) and reduces leftover chlorine and smells.
Stage 4: Post carbon filter – improves taste and removes unwanted color and smell.
Stage 5: Calcite filter – adds calcium and balances water pH.