{"product_id":"inline-co2-diffuser-for-planted-aquariums-external-canister-filter-atomizer-for-fine-microbubbles-and-hidden-hardware","title":"Inline CO2 Diffuser for Planted Aquariums, External Canister Filter Atomizer for Fine Microbubbles and Hidden Hardware","description":"\u003cp\u003eGive a planted aquarium a cleaner view while delivering CO2 through the filter return line. This inline diffuser connects outside the tank to the outflow tubing of an external canister filter, reducing visible equipment inside the aquarium.\u003c\/p\u003e\u003cp\u003eExtremely fine CO2 microbubbles support ready absorption by aquatic plants and encourage lush, healthy growth. Choose the diffuser size that matches your filter tubing, or select the corresponding ceramic replacement option.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe inline installation keeps the diffuser outside the planted tank, so less equipment interrupts the aquascape.\u003c\/li\u003e\n\u003cli\u003eFine CO2 microbubbles are readily absorbed by aquatic plants, supporting lush and healthy growth.\u003c\/li\u003e\n\u003cli\u003eThe diffuser can be completely disassembled, making routine cleaning and part replacement more manageable.\u003c\/li\u003e\n\u003cli\u003eM1 and M2 diffuser sizes accommodate two common external filter tubing sizes, allowing a more appropriate fit for the existing setup.\u003c\/li\u003e\n\u003cli\u003eReplacement ceramic options let aquarium keepers swap in a spare during maintenance, helping maintain a consistent CO2 supply without downtime.\u003c\/li\u003e\n\u003cli\u003eThe diffuser pairs with Dymax aquarium lily pipe options for a coordinated external-filter setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eM1 fits 12\/16 mm (1\/2-inch and 13 mm) filter tubing.\u003c\/li\u003e\n\u003cli\u003eM2 fits 16\/22 mm (5\/8-inch and 17 mm) filter tubing.\u003c\/li\u003e\n\u003cli\u003eAvailable diffuser options: M1 Diffuser and M2 Diffuser.\u003c\/li\u003e\n\u003cli\u003eAvailable replacement options: M1 Ceramic Replacement and M2 Ceramic Replacement.\u003c\/li\u003e\n\u003cli\u003eMinimum working pressure: 30 psi.\u003c\/li\u003e\n\u003cli\u003eUse pressure-proof tubing only.\u003c\/li\u003e\n\u003cli\u003eInstall on the outflow tubing of an external canister filter.\u003c\/li\u003e\n\u003cli\u003eFor cleaning, soak the diffuser carefully in three parts water and one part bleach.\u003c\/li\u003e\n\u003cli\u003eDo not scrub or touch the ceramic ring.\u003c\/li\u003e\n\u003cli\u003eHandle the diffuser gently during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConnect this diffuser only to the canister filter outflow; placing it on the inflow may trap CO2 bubbles in the filter and motor. Weaker tubing may burst under pressure, so use pressure-proof tubing and confirm the correct M1 or M2 fit before installation. Keeping a spare ceramic ring ready makes maintenance easier while preserving the aquarium’s CO2 routine.\u003c\/p\u003e","brand":"Glass Aqua","offers":[{"title":"M1 Diffuser","offer_id":50332273311847,"sku":"SHP-6566-D083ED","price":46.35,"currency_code":"USD","in_stock":true},{"title":"M2 Diffuser","offer_id":50332273344615,"sku":"SHP-6566-2CE08D","price":50.83,"currency_code":"USD","in_stock":false},{"title":"M1 Ceramic Replacement","offer_id":50332273377383,"sku":"SHP-6566-F67922","price":27.31,"currency_code":"USD","in_stock":true},{"title":"M2 Ceramic Replacement","offer_id":50332273410151,"sku":"SHP-6566-F17135","price":30.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/6209\/8279\/files\/1941188116566-main-001.jpg?v=1790441373","url":"https:\/\/cozypawwear.com\/products\/inline-co2-diffuser-for-planted-aquariums-external-canister-filter-atomizer-for-fine-microbubbles-and-hidden-hardware","provider":"CozyPaw Wear","version":"1.0","type":"link"}