5-Pack PVC Aquarium Elbow Drain Connectors 20–50mm Fish Tank

5-Pack PVC Elbow Drainage Connectors for Aquarium & Fish Tanks

Keep your aquarium running smoothly with these durable PVC elbow drainage connectors. Designed for fish tank overflow systems, sumps, and DIY water management setups, these fittings deliver a secure, leak-resistant connection for water inlet and outlet pipes ranging from 20mm to 50mm inner diameter. The pack of 5 gives you everything you need to plan, build, or expand your aquatic plumbing system.

Why Choose These Aquarium Drain Fittings?

• Durable PVC Construction: Resistant to water, corrosion, and chemical exposure — safe for freshwater and saltwater aquariums.
• Wide Size Range: Inner diameter 20mm to 50mm, compatible with standard aquarium piping and overflow systems.
• High Pressure Rating: Rated for pressures up to 850 kPa, ensuring a stable, reliable flow in demanding setups.
• Versatile 90° Elbow Design: Ideal for redirecting water flow in tight spaces — perfect for overflow boxes, sump return lines, and DIY drainage builds.
• Pack of 5: Get multiple connectors at once for complete system builds or as handy spares.
• DIY-Friendly: Easy to fit and compatible with most standard PVC aquarium pipe systems — no specialist tools required.

Product Specifications

• Material: PVC
• Inner Diameter: 20mm – 50mm
• Maximum Pressure: <850 kPa
• Quantity: 5 pieces per pack
• Application: Fish tanks, aquariums, sump systems, overflow drainage, water inlet/outlet supply
• Country of Origin: Made in China

Perfect For

• Aquarium overflow and sump plumbing
• DIY fish tank drain and return systems
• Water inlet and outlet pipe routing
• Freshwater and saltwater tank setups
• Pond and water feature plumbing projects

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For further guidance on aquarium water quality and safe tank management, visit the U.S. EPA WaterSense Programme for water efficiency best practices.

Frequently Asked Questions

Q: What pipe sizes are compatible with these PVC elbow drainage connectors?

A: These connectors are designed to fit pipes with an inner diameter (I.D.) of 20mm to 50mm, covering a wide range of standard aquarium, pond, and DIY drainage pipe sizes commonly used in fish tank overflow and sump systems.

Q: Are these PVC fittings safe to use in saltwater aquariums?

A: Yes. The PVC material is resistant to corrosion and chemical exposure, making these connectors suitable for use in both freshwater and saltwater (marine) aquarium systems.

Q: Can these elbow connectors handle high water pressure?

A: These fittings are rated for pressures up to 850 kPa, which is well within the requirements of typical home aquarium and sump systems, giving you a secure and stable connection.

Q: How many connectors are included in this pack?

A: Each order includes 5 PVC elbow drainage connectors, giving you enough pieces for a full system build or extras to keep on hand for future maintenance.