8-Piece Shower Flow Restrictor Kit 1.2–2.5 GPM | Water Saver

Save Water Without Sacrificing Shower Performance

This 8-piece shower water flow restrictor kit is the easy, affordable way to reduce water consumption in your bathroom and kitchen without a full fixture upgrade. Whether you want to lower your water bill or simply manage flow rates across multiple fixtures, this versatile set has you covered with six different GPM options in one convenient package.

What's in the Box

• 6 × Water-saving cores in six flow rates: 1.2 / 1.5 / 1.8 / 2.0 / 2.2 / 2.5 GPM — color-coded for easy identification
• 1 × Shower adapter (24 × 22 mm) — fits most standard shower connections
• 1 × Rubber washer for a leak-free seal

Key Features

• Wide GPM range: Six flow-rate cores let you dial in exactly the right water volume for each fixture — from a gentle 1.2 GPM to a full 2.5 GPM.
• Durable construction: Made from quality metal and plastic materials; the adapter uses brass-grade components that are safe and reliable for daily use.
• Temperature-rated: Suitable for water temperatures from 0 °C to 90 °C, covering everything from cold rinses to hot showers.
• Tool-free install: Threads directly into most handheld showers, overhead shower heads, and kitchen faucet aerators — no plumber required.
• Universal fit: Adapter diameter 24 mm × 22 mm; water-saving core insert 14 × 6 mm — compatible with the vast majority of standard residential fixtures.
• Eco-friendly impact: Reducing your shower flow from 2.5 GPM to 1.5 GPM can save thousands of gallons of water per year per household.

Specifications

Perfect For

• Bathroom handheld and overhead shower heads
• Kitchen faucet aerators
• Rental properties and multi-fixture homes
• Households looking to reduce monthly water bills

Helpful Resources

Learn more about water-efficiency standards and how flow restrictors can help reduce household water use from the EPA WaterSense Program.

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Frequently Asked Questions

Q: What flow rates are included in this shower water flow restrictor kit?

A: The kit includes six color-coded water-saving cores covering 1.2, 1.5, 1.8, 2.0, 2.2, and 2.5 GPM, plus one shower adapter (24 × 22 mm) and one rubber washer — eight pieces total.

Q: Will this water flow restrictor fit my existing shower head or faucet?

A: The included adapter measures 24 mm in diameter × 22 mm in length and is designed to fit most standard residential handheld shower heads, overhead shower heads, and kitchen faucet aerators. Please measure your fixture's inlet thread before purchasing to confirm compatibility.

Q: How do I install the shower flow restrictor core?

A: Installation is tool-free. Simply unscrew your shower head or faucet aerator, place the rubber washer, insert the desired flow-rate core, and screw the shower head back on. Choose the GPM core that best suits your water pressure and usage preferences.

Q: Can I switch between the different GPM cores?

A: Yes! The cores are designed to be easy to swap in and out. This lets you experiment with different flow rates to find the right balance between water savings and a comfortable shower experience.

Q: Is this restrictor suitable for hot water use?

A: Yes. The kit is rated for water temperatures between 0 °C and 90 °C, making it safe for use with both cold and hot water in standard residential plumbing systems.