Choosing the right size Lily Pipe is critical for filter performance. These measurements (12mm, 16mm, 20mm) refer to the inner diameter (ID) of your filter’s tubing.
Here is the professional breakdown to help your customers at sapaqua.com choose the correct size.
Quick Comparison Guide
| Size | Tubing Compatibility (Inner Diameter) | Recommended Tank/Filter Size |
| 12mm | 12/16mm Tubing | Small to Medium (Up to 90cm/3ft tanks) |
| 16mm | 16/22mm Tubing | Medium to Large (90cm – 150cm tanks) |
| 20mm | 20/24mm Tubing | Extra Large / Professional (150cm+ tanks) |
Detailed Breakdown
1. 12mm Lily Pipe Set (For 12/16mm Tubing)
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Best For: Nano tanks, desktop aquariums, or standard 2-3 feet setups.
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Flow Rate: Designed for filters with moderate flow rates (usually 400–800 LPH).
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Why choose this: If your filter hoses are 12mm, this is the standard size. Using a larger pipe on a smaller filter would reduce the flow velocity, while a smaller pipe on a larger filter would create too much backpressure, potentially damaging the filter motor.
2. 16mm Lily Pipe Set (For 16/22mm Tubing)
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Best For: Standard medium-to-large aquariums, typically 3-5 feet in length.
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Flow Rate: Ideal for canister filters with higher flow rates (usually 800–1500 LPH).
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Why choose this: This is the most popular size for “serious” aquascaping tanks. It provides a balanced flow that keeps the water clean without overwhelming delicate plants with too much current.
3. 20mm Lily Pipe Set (For 20/24mm Tubing)
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Best For: Large display tanks, high-stock aquariums, or high-end professional setups.
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Flow Rate: Designed for heavy-duty canister filters or sumps (1500+ LPH).
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Why choose this: Essential for high-flow filtration requirements where you need to move a large volume of water quickly to ensure proper filtration and oxygenation in deep or long tanks.






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