Complete RO Replacement Filter Kit – Fits Culligan AC-30 & AC-15

This complete reverse osmosis replacement filter kit includes all essential filtration stages required to service compatible Culligan-style RO systems. Designed to restore system performance, water quality, and taste, this kit is ideal for routine maintenance or full system refresh.

What’s Included

(1) Sediment Pre-Filter – 5 Micron

Compatible replacement for Culligan HED-SED-AC5

Removes sand, rust, silt, and suspended particles

Material: Polypropylene

Micron Rating: 5 micron (nominal)

Dimensions: 12" × 2"

Operating Temperature: 48°F – 145°F

(1) Carbon Block Pre-Membrane Filter

Compatible replacement for Culligan HDG-CB-AC10

Reduces chlorine, taste, odor, sediment, and organic contaminants

Protects the RO membrane from chlorine damage

Manufactured using high-purity, acid-washed activated carbon

Uniform carbon block construction for improved adsorption and dirt-holding capacity

(1) Reverse Osmosis Membrane (TFC) - 36 GPD 

Thin-Film Composite (TFC) RO membrane

Designed for use in compatible RO systems requiring this membrane format

Reduces Total Dissolved Solids (TDS) and dissolved contaminants

Compatible RO System Models:

AC-15

AC-30

H83

H83S-R

LC-50

(1) Inline Post-Carbon Polishing Filter

Size: 2" × 6"

Connection: 3/8" Quick Connect

Final-stage polishing filter

Improves taste and odor at the faucet

Application

Under-sink reverse osmosis systems

Full filter and membrane replacement kit

Suitable for routine maintenance or complete system service

Replacement Recommendations

Sediment & carbon filters: Every 6–12 months

Inline post-carbon filter: Every 12 months

RO membrane: Every 24–36 months, depending on water quality

Compatibility Notice

This is a compatible replacement filter kit manufactured by LiquaGen. It is not an OEM product and is not manufactured, endorsed, or affiliated with any original equipment manufacturer. Brand names and model numbers are used solely to indicate compatibility.