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.
19 Results
Flow Restrictor 75-100 GPD
10%
off

Flow Restrictor 75-100 GPD

Garden Hose Adaptor (Adapter)
10%
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Garden Hose Adaptor (Adapter)

Reverse Osmosis System Flush Valve Kit
10%
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Reverse Osmosis System Flush Valve Kit

Standard Faucet Adapter / Quick Connect Faucet Coupler
10%
off

Standard Faucet Adapter / Quick Connect Faucet Coupler

1/4 inch NO10 Replacement Clear Canister
10%
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1/4 inch NO10 Replacement Clear Canister

RO Housing Wrench
10%
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RO Housing Wrench

TDS Calibration Solution
10%
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TDS Calibration Solution

Pressure Gauge Only: 1/8 inch NPT
10%
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Pressure Gauge Only: 1/8 inch NPT

Self-piercing Saddle Valve
10%
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Self-piercing Saddle Valve

Captive Purity Replacement O-Ring for RO Filter System
10%
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Captive Purity Replacement O-Ring for RO Filter System

Feed Water Adapter For RO System
10%
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Feed Water Adapter For RO System

Replacement TFC Membrane Housing
10%
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Replacement TFC Membrane Housing

Flow Restrictor 150 GPD
10%
off

Flow Restrictor 150 GPD

Flow Restrictor 35 GPD
10%
off

Flow Restrictor 35 GPD

Flow Restrictor 50-60 GPD
10%
off

Flow Restrictor 50-60 GPD

Single Filter Housing Bracket
10%
off

Single Filter Housing Bracket

1/4 inch NO10 Replacement White Canister
10%
off

1/4 inch NO10 Replacement White Canister

Replacement Single Clip for RO unit
10%
off

Replacement Single Clip for RO unit

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