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Saltwater Aquarium Supplies
Purity Monitors (3)
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RO (7)
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65 items found
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Captive Purity
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Mixed Bed DI Cartridge
Deionization cartridge Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement cartridges among the...
Avg. Customer Review (1) reviews
Replacement Filters: See all items
Our Price:
$27.99
Item Code: RO1151
Plastic Bracket with Clips for 4-Stage RO Unit
Plastic Bracket for RO and RO/DI Filters holds three filter housings and one TFC membrane housing.
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Accessories: See all items
Our Price:
$8.49
Item Code: RO1198
Plastic RO Tube Cutter
Plastic tube cutter Cut polyethylene, nylon, or polypropylene with this easy-to-handle razor/edged tube cutter. It closes automatically, assuring clean and square cuts. It may also be used with vinyl, teflon®, polyurethane, rubbe...
Avg. Customer Review (1) reviews
Accessories: See all items
Our Price:
$8.39
Item Code: RO6013
Pocket TDS Mini Meter
Fashionable, handy and simple design. TDS detection range: 0-1999PPM; Reading above limit shows "Err". Four-digit LCD display screen is easy for reading. Power on 3V CR2032 lithium battery. Slide open design battery c...
Avg. Customer Review (5) reviews
Purity Monitors: See all items
Our Price:
$29.99
Item Code: RO1351
Pressure Gauge Kit: with Brass Tee for Installation
Add to existing systems for easy monitoring & troubleshooting of your RO, RO/DI or drinking water systems No more guessing about plugged pre-filters Kit includes Pressure gauge and 1/8" Tee fitting.
Avg. Customer Review (1) reviews
Accessories: See all items
Our Price:
$16.00
Item Code: RO1333
Pressure Gauge Only: 1/8 inch NPT
Pressure guage for easy troubleshooting. 1/8" NPT
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Accessories: See all items
Our Price:
$14.99
Item Code: RO1331
Replacement Double Clip for Compact/Bare Bone 2-Stage RO Unit
Replacement Double Clip: hold together 2 TFC membrane housings, or 1 membrane housing and 1 inline cartridge (two clips required).
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Accessories: See all items
Our Price:
$0.79
Item Code: RO1373
Replacement RO Double Clip for Compact/Bare Bone Two-Stage System
Holds two TFC membrane housings together (two clips required)
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Our Price:
$1.09
Item Code: ROCLIPDLL