Captive Purity

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.
18 Results
Reverse Osmosis System Flush Valve Kit

Reverse Osmosis System Flush Valve Kit

Garden Hose Adaptor (Adapter)

Garden Hose Adaptor (Adapter)

Standard Faucet Adapter / Quick Connect Faucet Coupler

Standard Faucet Adapter / Quick Connect Faucet Coupler

Flow Restrictor 75-100 GPD

Flow Restrictor 75-100 GPD

1/4 inch NO10 Replacement Clear Canister

1/4 inch NO10 Replacement Clear Canister

Feed Water Adapter For RO System

Feed Water Adapter For RO System

Pressure Gauge Only: 1/8 inch NPT

Pressure Gauge Only: 1/8 inch NPT

Drain Saddle Adapter

Drain Saddle Adapter

Replacement TFC Membrane Housing

Replacement TFC Membrane Housing

Flow Restrictor 150 GPD

Flow Restrictor 150 GPD

Flow Restrictor 50-60 GPD

Flow Restrictor 50-60 GPD

Self-piercing Saddle Valve

Self-piercing Saddle Valve

RO Housing Wrench

RO Housing Wrench

TDS Calibration Solution

TDS Calibration Solution

Replacement Single Clip for RO unit

Replacement Single Clip for RO unit

Captive Purity Replacement O-Ring for RO Filter System

Captive Purity Replacement O-Ring for RO Filter System

Single Filter Housing Bracket

Single Filter Housing Bracket

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