4" Filter

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    …at room temperature. Remove Xport-NO3 from pail and pour water into the aquarium system, then place Xport-NO3 into canister filter, media reactor, or 800µm mesh filter bag; a flow-through rate of 1 - 3x the total aquarium volume per hour is recommended. Do not fluidize. In systems with an initial…

    $42.49 $36.12

    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 $7.43

    …Comes with Filter Pad Low Power Consumption Easy to Clean   Recommended for Aquariums 2.5 gallons to 25 gallons   If you need to set up a quarantine tank, or you want a full blown pico reef tank, the Eheim MiniUP is the ideal solution. Filtering the water through a compact power filter system will…

    $24.99 $21.24

    …will be trapped by the filter bag keeping your expensive media from becoming clogged.  2 Pack 300 Micron 4" diameter draw string opening Nylon Material   We recommend cleaning filter bags once every 2 weeks.   Specifications: Micron Rating - 300 Opening Diameter - 4" Total Length - 8"   What's…

    $13.74 $11.68

    Months of Maintenance-Free Filtration! Klir Di-4 Filter Drop-In Fleece Filter System fits in most sumps with a 4" filter sock tray and will eliminate the need to replace filter socks. The 50-micron fleece roll will help eliminate free-floating particles and automatically advance when the fleece…

    $249.99

    Easily Adapts Sumps Without Sock Trays Add the Klir Di-4 Fleece 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…

    $99.99

    …C+ Sump Omega 180i Rx-U+ 2.0 universal Media Reactor V 3.5 Pump / F≤3500LPH: Return Pump Eheim C1000 pump: Drain Pump for skimmer compartment 4” Filter Sock Rigid PE under-mat Stainless Steel Hose Clamps* Silicone Hose for 25mm and 40mm Pipe coupling* Additional Red PVC Pipes for assembly to System…

    $2,349.99 $1,997.49

    …of a filter pad in the cup is all you need to do, merely replace the dirty pads every few days.  Replaces filter socks Create your own custom filter tower Works with all Red Sea Reefer & MAX systems Compatible with most pre-made sumps  Includes media bag   Specifications: Dimensions - 4" x 8" Min…

    $15.00

    …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 the 4" x 12" Felt 200 micron Vertex filter socks for the best polishing and trapping characteristics. For longer lasting filter socks try the 4" x…

    $29.99

    Replace your 4" filter socks and replace them with the DVH Aquatics Acrylic Filter Media Cup! If you do not like to wash your filter socks and looking for something that can take its place? The media cup can hold just about any type of filtration media, from filter floss, ceramic media, carbon, or…

    $15.00 $12.75

    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

    The CPR Sock-It Filter Sock Holder is a simple filter sock holder using a gasket and acrylic holder. Very simple and inexpensive way to add filtration to any of your 1" outlets such as overflows and skimmer outlets. Three models each sold with or without filter sock: 4”- 1 inlet 7”-1 inlet 7”-2…

    Starting at:
    $26.99

    …will work with all BRS 4 Stage RO/DI Systems and most other RO/DI units on the market today that use industry standard 10” 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…

    $26.99 $22.94

    …Purtrex Depth Sediment Filter, a new 1 Micron BRS Universal Carbon Block and a BRS Color Changing DI Refill. This kit can be used with NEW 4 Stage BRS RO/DI systems as well as legacy systems and all major competitor 4 stage RO/DI systems that use standard 10” filters.   Recommended Installation…

    $30.99 $26.34

    …Stage One - Purtrex 5 Micron Sediment Filter Stage Two - MATRIKX CTO 5 Micron Carbon Block Last Stage - DI Resin Our filter kits feature some of the most widely used and trusted brands in the world including GE, KX Technologies and Pentek. The 10” filter size is the industry standard and will…

    $22.99 $19.54

    …Micron Sediment Filter Stage Two - BRS Chlorine & VOC 5 Micron Carbon Block Filter Last Stage - BRS Universal 1 Micron Carbon Block Filter Our filter kits feature some of the most widely used and trusted brands in the world including GE, KX Technologies and Pentek. The 10” filter size is the…

    $29.99 $25.49

    …been known for its great style in addition to high performance. Their Acrilico-line of filter sock mounts are no exception. Made of polished, seamless acrylic with titanium screws that hold up in the saltwater aquarium environment. Holds a ring-top 4" diameter filter sock in style on your sump.

    $24.99 $21.24

    This kit works with all BRS 4 Stage RO Only Systems along with most other RO systems that use 10" canisters. This kit includes: Purtrex 5 Micron Sediment Filter MATRIKX CTO 5 Micron Carbon Block MATRIKX CTO 1 Micron Carbon Block We recommend changing sediment filters when they become visually dirty…

    $21.99 $18.69

    Filter Stage Two - MATRIKX CTO 5 Micron Carbon Block Stage Three - MATRIKX CTO 1 Micron Carbon Block Stage Four - Omnipure Inline Carbon Block Our filter kits feature some of the most widely used and trusted brands in the world Including GE, KX Technologies, Pentek and Omnipure. The 10” filter size…

    $37.99 $32.29

    4" x 14" Felt Filter Socks are used on overflows to remove small floating particles from aquarium water. This can dramatically improve water quality and reduce maintenance on filters that would otherwise become clogged.

    $289.99 $246.49

    …300 Micron - These are by far the longest lasting filter socks and do not need to be replaced nearly as often as felt filter socks. These are great for holding filter media, extended vacations, or as a backup sock in a series.   Vertex Felt Filter Socks are made of high-quality polypropylene, and…

    $7.99 $6.79

    …300 Micron - These are by far the longest lasting filter socks and do not need to be replaced nearly as often as felt filter socks. These are great for holding filter media, extended vacations, or as a backup sock in a series.   Vertex Mesh Filter Socks are made of high-quality Nylon, and can be…

    $8.99 $7.64

    …tray and direct the water into the Klir filter. It's adjustable and allows you to easily dial the the flow rate to divert excess flow or filter less aggressively.     The Flow Diverting cap will work with a variety of sumps with 4 inch filter sock holes      What's Included? 1x 4" Flow Diverting Cap

    $15.99

    …and a few other variables. The 50-micron fleece can handle up to 750 GPH through the 4" Klir filter system. Using 50-micron fleece will double if not quadruple the filtering performance of traditional filter socks leaving you with crystal clear water in your aquarium!   What's Included? 25 Yards…

    $13.99

      Add a Reef Octopus 4" Waste Collector to prevent protein skimmer overflows as well as reduce the strong skimmate smell. Float switch connected to power source for your protein skimmer - automatically shuts off your protein skimmer if float switch is activated. Ping pong ball apparatus stops waste…

    $219.99

    …or filter sock replacement.   Dimensions 4" Sock Configuration - 8" L x 6" W x 1.25" H 7" Sock Configuration - 8" L x 9.25" W x 1.25" H   Parts included: 1 Hang-On Mount 1 Adaptor for 10cm (4 inch) filter sock 1 Adaptor for 18cm (7 inch) filter sock 2 plastic screws for leveling.   Filter Socks…

    $24.99 $21.24

    Simple design for your 4" filter socks from Skimz. Comes with a 200 Micron mesh filter sock (filter bag) White *Updated model comes with mesh filter sock.

    $34.99 $29.74

    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 $21.24

    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 $6.37

    …  Specifications: Dimensions - 4.3" L x 3.3" W x 13.0" H Media Capacity - 1100mL Hose Input/Output Size - 1/2"   What's Included? 1x UF-1 Media Reactor 1x Barbed Ball Valve 4x Ratchet Clamps 2x Elbow Fittings 2x Barbed Unions 2x Foam Pads   Note: Foam pads should be removed for use with biopellets.

    $49.99

    …deionization resin.   4 Stages of Filtration Stage 1 - Purtrex 5 Micron Depth Sediment Filter Stage 2 - BRS 5 Micron VOC Block   Stage 3 - Dow Filmtec Membrane  Stage 4 - Nuclear Grade Color-Changing Deionization Resin   BRS RO/DI 4 Stage Value RO/DI System Comparison  4 Stage 75 GPD Value RO/DI…

    Starting at:
    $127.49

    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 $33.99