{"product_id":"hikari-airline-check-valves-2-pack-aquarium-air-pump","title":"Hikari Airline Check Valves (2 pk)","description":"\u003cp\u003eThe \u003cstrong\u003eHikari Airline Check Valves\u003c\/strong\u003e are a simple, essential piece of insurance for any air-driven aquarium setup. Each one-way valve lets air flow from your pump to the tank while blocking water from siphoning backward, protecting your air pump and preventing the electrical hazard a back-siphon can cause during a power outage. This pack includes two valves and works in both freshwater and saltwater aquariums. Browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/air-pumps-accessories\"\u003eair pumps and accessories\u003c\/a\u003e at Squeaky's Aquatics.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStops back-siphoning:\u003c\/strong\u003e A high-quality neoprene valve seals when your air pump shuts off, keeping tank water from flowing back into the pump or onto the floor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects your equipment:\u003c\/strong\u003e Prevents water damage to air pumps and the electrical short risk a back-siphon can create.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear housing:\u003c\/strong\u003e A see-through body lets you confirm the valve is working and spot when it is time to replace it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded flow arrow:\u003c\/strong\u003e A permanent directional arrow takes the guesswork out of installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe:\u003c\/strong\u003e Durable high-impact plastic holds up in any aquarium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo per pack:\u003c\/strong\u003e Keep a spare on hand or protect two air lines at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eCut your airline tubing between the air pump and the air stone, then insert a check valve so the molded arrow points away from the pump and toward the tank. As a best practice, also keep the air pump above the water line. The check valve is a reliable backup, not a substitute for good placement.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:560px;margin:6px 0 4px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;width:42%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHikari (Aquarium Solutions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eOne-way airline check valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2 valves per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eStandard airline tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;\"\u003eValve material\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNeoprene valve, high-impact plastic housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f4f4f4;font-weight:600;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-breza-battery-air-pump-ac-sensor\"\u003eAquatop Breza Air Pump\u003c\/a\u003e for reliable aeration\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/air-pumps-accessories\"\u003eAirline tubing, air stones, and air accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does the valve face?\u003c\/strong\u003e\u003cbr\u003eThe molded arrow points in the direction of airflow, away from the pump and toward the tank. Installed backward, no air will pass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work with my air pump?\u003c\/strong\u003e\u003cbr\u003eYes. It fits standard airline tubing and works with any aquarium air pump, protein skimmer, or air-driven device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I still need to keep the pump above the tank?\u003c\/strong\u003e\u003cbr\u003eIt is still the best practice. The check valve is dependable backup protection, especially during power outages when the pump stops.\u003c\/p\u003e","brand":"Hikari","offers":[{"title":"Default Title","offer_id":48833648689371,"sku":"96030","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_3442c946-5e5b-4d23-a362-870880d2c88b.png?v=1780402290","url":"https:\/\/squeakysaquatics.com\/products\/hikari-airline-check-valves-2-pack-aquarium-air-pump","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}