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    …similar looking carbon blocks.  Most of the filters included in our kits are made in the USA, NSF Certified or WQA Gold Seal Certified and Manufactured using FDA-compliant materials. *This is our recommended filter arrangement and we have found to be the best combination for the most common…

    $29.99

    …leader when it comes to water treatment and filtration.  Their 75 GPD membrane has a 99% rejection ratio, and most other membranes cannot make that same claim. Along with meeting NSF/ANSI standards the 75 GPD DOW membrane is hands down the best membrane for our hobby. Up to 99% rejection Dow…

    $34.99

    Filters is a revolutionary Z.Plex filter engineered by GE. These filters are specifically made for reverse osmosis pretreatment applications and other filtered water applications. ROSave.Zs' Z.Plex technology provides great performance: Up to twice the life of conventional depth filters Up to 50%…

    Starting at:
    $6.99

    …This premium sediment filter will protect the more exspensive carbon blocks and prolong over all filter set life to decrease over  ROSave.Zs' Z.Plex technology provides great performance: Up to twice the life of conventional depth filters Up to 50% lower pressure drop Up to 100% greater dirt holding…

    $61.99

    …inline sediment filters are disposable self-contained filter cartridges with easy to use push connect fittings. They are most commonly used for the following: Great for low volume applications. Replacement filters for BRS 3 Stage Space Saver RO System (legacy model) Sediment filter is sometimes used…

    $16.99

    …similar looking carbon blocks.  Most of the filters included in our kits are made in the USA, NSF Certified or WQA Gold Seal Certified and Manufactured using FDA-compliant materials. *This is our recommended filter arrangement and we have found to be the best combination for the most common…

    $45.99

    …polypropylene depth filter with exceptional dirt-holding capacity. Purtrex true-graded density filter matrix (lower density at the surface of the filter with progressively higher density toward the center) captures particles throughout the entire filter depth. This translates to longer life and…

    $30.99

    New: BRS Universal Carbon Blocks were developed to be the best industry solution for chloramines, chlorine and well water to help make filter selection easier for everyone. The new block represents the latest in carbon technology by increasing surface area, volume of carbon and catalytic sites…

    $16.99

    …This premium sediment filter will protect the more exspensive carbon blocks and prolong over all filter set life to decrease over ROSave.Zs' Z.Plex technology provides great performance: Up to twice the life of conventional depth filters Up to 50% lower pressure drop Up to 100% greater dirt holding…

    $51.99

    …800mL/min for 100 &150 GPD single membranes or 200 GPD Water Saver System   Reverse Osmosis membrane flush/flow restrictor valves increase the flow to the membrane by bypassing the flow restrictor when the valve is opened. This helps flush deposits and significantly increases the usable life of the…

    Starting at:
    $9.99

    filters. Purtrex 5 Micron Sediment Filter BRS 5 Micron VOC/Chlorine Carbon Block 1.25 lb. Color Changing DI Resin Refill   The 4 Stage Replacement Filter Kit has been carefully selected to provide the best filtration for chlorine and VOC reduction. The kit includes a 5 Micron Purtrex Sediment Filter

    $26.99

    …that uses similar looking carbon blocks.  Most of the filters included in our kits are NSF Certified or WQA Gold Seal Certified and Manufactured using FDA-compliant materials. *This is our recommended filter arrangement and we have found to be the best combination for the most common installations…

    $35.99

    …you will end up in trouble.  With RODI systems it is TDS that you will want to monitor for performance and filter quality.  If you have a single or dual DI stage we highly recommend a triple TDS meter as it will allow you to see your TDS readings in three places.  We will usually suggest installing…

    $44.99

    Universal Air Filter with low resistance refillable cartridge. 100% Plastic Design. This unit is most commonly used with ozone generators to hold desiccant DI Dryer Media however you can fill it with carbon or other medias to filter air as well. 3/16” barbed fittings 10’ of tube One 10” refillable…

    $29.99

    …Liberty 75 Filter Assembly Carbon Sponge Filter Passive Sponge Filter Liberty 75 Lid Liberty 75 Intake Assembly   Note: Eheim Liberty filter systems must be primed before powering on. Fill the filter chamber with aquarium water until it is full. Then plug in the filter and it should start to pull…

    $29.99

    Filter to sumps without sock trays or to DIY sump applications using the Klir Filter Bracket.    The Flow Diverting cap will work with a variety of sumps with 4 inch filter sock holes    Features: Dual Submerged 1 inch inputs Compatible with full-siphon overflows Built-in adjustable flow diverter to

    $99.99

    Filter to sumps without sock trays or to DIY sump applications using the Klir Filter Bracket.    The Flow Diverting cap will work with a variety of sumps with 7 inch filter sock holes    Features: Dual Submerged 1 inch inputs Compatible with full-siphon overflows Built-in adjustable flow diverter to

    $119.99

    …The Filter Media Cup is an ideal and cost-effective replacement to filter socks as well. If all you want is to polish the water of free-floating particles, then placing a few handfuls of a filter pad in the cup is all you need to do, merely replace the dirty pads every few days.  Replaces filter

    $15.00

    Replacement filter sponges are super easy to install into your MiniUP or MiniFLAT power filters. By removing the lower strainer, the old sponge can be removed for cleaning and a new one can be placed in within seconds. It is very handy to have multiple sponges on hand, that will allow you to take…

    $5.99

    Reef Octopus Media Filter MF-1000 has two cone strainers on each end to prevent large course media from being passed through and allows for the dispersed contact around the media for more efficient chemical filtration.   Adaptable input and output – PVC or flexible hose. Equipped with inlet…

    $164.99 $148.49

    …extended life 300 Micron filter sock from Skimz. Filter socks can help keep detritus and other free-floating particles from settling in places you may not want it. With the Skimz Extended Life filter socks, they will last much longer than most other standard mesh filter socks. 7" Plastic Ring Fits…

    $11.24

    filter sock from Skimz. Filter socks can help keep detritus and other free-floating particles from settling in places you may not want it. With the Skimz Extended Life filter socks they will last much longer than standard mesh filter socks. 4" Plastic Ring Fits most sump holders Fits on Skimz Filter

    $8.74

    Filter socks can help keep detritus and other free floating particles from settling in places you may not want it. With the Skimz Extended Life filter socks they will last much longer than standard mesh filter socks.   Compatible with the following Skimz Sumpro Sumps: UP18 UP21 UP22 UP30 UP34 UP36…

    $7.49

    Reef Octopus Sponge-Free Media Reactors MF 2000 Media Reactor Item #: OCT-MF2000 Diameter: 4 Height: 21.75 Footprint: 5.5 x 5.5 Holds up to 16 cups of media

    $189.99 $170.99

    …for using almost any type of loose aquarium media like carbon, GFO or biopellets. The Somatic UF-1 reactor only takes a few minutes to set up and is a great addition to any reef filtration system.  HOB or In-Sump Reversed Flow No Dead Spots Vortical Sweep Fully Disassemblable Includes Control Valve…

    $49.99

    The Skimz BM4 Filter Sock Holder is a great addition to any sump or tank that does not currently have the abiltiy to hold a filter sock. With the BM4 you can use almost all 4" filter socks on the market today, we do prefer to use the Skimz brand filter socks for the best fit however. The plastic set…

    $24.99

    Liberty 75 - 1 Sponge Filter required Liberty 130 - 2 Sponge Filters required Liberty 200 - 2 Sponge Filters required   Replacement filter sponges are super easy to install into your Liberty power filter. It is very handy to have multiple sponges on hand, that will allow you to take the old one out…

    $5.99

    …different media types to make tower style filtration system. Just put the Filter Media Cup in place of your 4" filter sock, and fill it with your favorite filter media. High-flow slots are cut at the bottom of the media cup ensuring water is forced to travel all the way down to the bottom of the cup…

    $15.00

    to change filter socks every couple days to export any detritus before it gets a chance to break down into nutrients.   The 7" Filter Sock Holder will sit perfectly in the corner of the Somatic 90 or 120 Filter System and hold 1x filter sock.    Specifications Max Plumbing Diameter* - 1.9" Filter

    $29.99

    The FM-2 RO Filter Monitor with Volumizer tracks up to five filter stages at once by time and volume. The monitor allows you to create filter change points at each stage at an individual point in the future or at a specific water volume. When the preset points are reached the FM-2 will alert you…

    $39.99

    …Sponge Filter Mechanical Sponge Filter Passive Sponge Filter Liberty 130 Lid Liberty 130 Intake Assembly   Note: Eheim Liberty filter systems must be primed before powering on. Fill the filter chamber with aquarium water until it is full. Then plug in the filter and it should start to pull water…

    $34.99

    …It is suggested to change filter socks every couple days to export any detritus before it gets a chance to break down into nutrients.   The 60 Filter Sock Holder will sit perfectly in the corner of the Somatic 60 Filter System and hold 1x filter sock.    Fits Vertex Filter Socks - We suggest…

    $29.99