Two Little Fishies Coupling 18mm


The Two Little Fishies barbed coupling fitting is perfect for connecting standard vinyl and soft pvc tubing for canister filters, protein skimmers, calcium reactors, etc. It can also be used for connecting water return lines for sumps and recirculating pumps. This 18 mm Coupling fits 3/4″ ID tubing.

4 in stock

Two Little Fishies


Looking to optimize the plumbing of your aquatic haven? Dive into enhanced water flow and seamless connectivity with the Two Little Fishies Coupling 18mm, the ultimate solution for joining 3/4″ tubing in your aquarium system. Available at, this coupling offers a perfect fit for your plumbing needs, ensuring efficiency and reliability for your aquatic setup.

Crafted with precision and durability in mind, the Two Little Fishies Coupling 18mm is designed to withstand the rigors of aquarium environments. Its high-quality construction guarantees longevity, providing peace of mind for hobbyists and professionals alike. Whether you’re a seasoned aquarist or just starting your underwater journey, this coupling is an essential tool for maintaining optimal water circulation and filtration.

Installing the Two Little Fishies Coupling 18mm is a breeze, thanks to its user-friendly design. Simply attach it to your existing 3/4″ tubing with ease, creating a secure connection that minimizes the risk of leaks or disruptions in water flow. With this coupling in place, you can trust that your aquarium system will operate smoothly, promoting the health and vitality of your aquatic inhabitants.

Versatility is key when it comes to aquarium plumbing, and the Two Little Fishies Coupling 18mm delivers on all fronts. Whether you’re connecting filtration equipment, pumps, or other components, this coupling adapts effortlessly to various setups, ensuring compatibility and flexibility for your aquatic infrastructure.

At, we understand the importance of sourcing premium products for your aquatic endeavors. That’s why we’re proud to offer the Two Little Fishies Coupling 18mm, a trusted solution for aquarium enthusiasts seeking superior performance and reliability. Order yours today and experience the difference that quality plumbing components can make in achieving your aquatic vision. With the Two Little Fishies Coupling 18mm from, your underwater world will thrive like never before.

Additional information

Weight 0.4 lbs


Two Little Fishies

Dive into the world of aquatic wonder with Two Little Fishies products available at Wet Pet Supply! As avid aquarists ourselves, we understand the importance of quality, innovation, and reliability when it comes to maintaining thriving underwater ecosystems. That's why we proudly stock a wide range of Two Little Fishies merchandise, renowned for their excellence in aquarium care. Whether you're a seasoned hobbyist or just beginning your aquatic journey, Two Little Fishies offers solutions tailored to meet the needs of all aquatic enthusiasts. From specialized filtration systems to premium-grade additives and supplements, their extensive product line caters to freshwater, saltwater, and reef aquariums alike. Experience unparalleled water clarity with Two Little Fishies filtration media, designed to optimize water quality and foster a healthy environment for your aquatic inhabitants. Enhance the vibrancy and growth of your corals and marine life with their cutting-edge reef care products, formulated to mimic natural seawater conditions. At Wet Pet Supply, we prioritize customer satisfaction and strive to provide the best shopping experience possible. Our knowledgeable staff is on hand to offer expert advice and guidance, ensuring you find the perfect Two Little Fishies products to suit your needs. Whether you're seeking to establish a stunning reef aquarium or maintain a thriving freshwater community, trust in Two Little Fishies and Wet Pet Supply to deliver exceptional results. Shop with confidence knowing that you're investing in top-tier aquatic solutions backed by years of industry expertise and innovation. Discover the difference Two Little Fishies can make in your aquatic world at Wet Pet Supply today!
Two Little Fishies
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