EXACT REPLACEMENT CARTRIDGE

Aquasana EQ-303-20

20-inch sediment pre-filter. Documented in 5 system combinations. Select your system to see the claims that apply to that exact pairing.

Compatibility does not transfer reduction claims between systems. Do not substitute a similar-looking cartridge.

Price & annual cost

$36.99 for 3 cartridge(s) · observed 2026-09-21

Manufacturer April 2026 MSRP. Three identical filters per pack; calculator allocates one-third of the pack price per change. Tax and shipping excluded. Select a system below to calculate its annual cartridge budget.

manufacturer price · ACCESSED 2026-09-21

Aquasana April 2026 replacement MSRP and subscription prices

Use the New MSRP column, not the discounted Water for Life subscription column.

Documented system matches

Aquasana WH-1000WH-1000R + EQ-303-20 + EQ-PFC.35 · 1000000 gal · reviewed 2026-09-21 Aquasana WH-1010WH-1010R + EQ-303-20 + EQ-PFC.35 · 1000000 gal · reviewed 2026-09-21 Aquasana WH-1011WH-1011R + EQ-303-20 + EQ-PFC.35 · 1000000 gal · reviewed 2026-09-21 Aquasana WH-1021WH-1021R + EQ-303-20 + EQ-PFC.35 · 1000000 gal · reviewed 2026-09-21 Aquasana WH-HSWH-HS-R + EQ-303-20 + EQ-PFC.35 · 165000 gal · reviewed 2026-09-21