3-Year RO Replacement Filter Kit – Fits Culligan AC-30 & AC-15 (36 GPD)

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3-year bulk reverse osmosis replacement filter kit from LiquaGen is designed for long-term maintenance of compatible Culligan-style reverse osmosis systems. The kit includes all required filters and membranes to support approximately three years of normal household use, helping reduce service frequency while maintaining consistent water quality.

Ideal for homeowners who prefer fewer replacements, lower long-term costs, and uninterrupted system performance.


What’s Included (3-Year Supply)

(6) Sediment Pre-Filters – 5 Micron

Compatible replacement for 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


(6) Carbon Block Pre-Membrane Filters

Compatible replacement for 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

High dirt-holding capacity with low pressure drop


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

Thin-Film Composite (TFC) membrane

Designed for systems requiring a 36 GPD membrane

Reduces Total Dissolved Solids (TDS) and dissolved contaminants

Compatible RO System Models:

AC-15

AC-30

H83

H83S-R


(3) Inline Post-Carbon Polishing Filters

Size: 2" × 6"

Connection: 3/8" Quick Connect

Final polishing stage

Improves taste and odor at the faucet


Why Choose a 3-Year Supply Kit

Covers approximately 36 months of normal household use

Reduces maintenance reminders and repeat orders

Ensures consistent system performance over time

Cost-effective compared to purchasing filters individually

Ideal for rental properties or long-term homeowners


Recommended Replacement Schedule

Sediment & carbon filters: Every 6–12 months

Inline post-carbon filter: Every 12 months

RO membrane: Once during the 3-year cycle (24–36 months)

Actual replacement intervals may vary based on water quality and usage.


Application

Under-sink reverse osmosis systems

Full long-term maintenance solution

Compatible with systems using the same filter and membrane specifications


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.

(951) 530-4020

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