N-12 fittings and elbows
ADS N-12 drainage fittings — free shipping
29 ADS SKUs: N-12 corrugated dual-wall elbows, couplings, and end caps in 4", 6", 10", and 18". Soiltight bell-end and snap fittings so you can finish a run without a special-order wait.
- 29 ADS SKUs
- Free shipping — no minimum
- Pro pricing, no signup
- N-12 elbows & caps
Match the pipe OD
N-12 fittings are size-specific — 4", 6", 10", 18".
Bell vs snap vs plain
Soiltight bell-end and snap couplings are different families. Match the pipe you have.
Pick the angle
22.5°, 45°, and 90° elbows — do not force a 90 where a 45 will grade better.
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Shop ADS fittings
N-12 Fittings
Elbows, couplings, end caps
Shop N-12 Fittings → All ADS Drainage
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Why Advanced Drainage Systems
The N-12 fittings that finish the trench
- Dual-wall N-12 — corrugated HDPE fittings that match ADS pipe.
- Soiltight options — bell-end elbows when the spec calls soiltight.
- Caps and couplings — snap end caps and couplings for clean terminations.
- Multiple diameters — 4" through 18" in the sizes we stock.
Advanced Drainage Systems FAQs
Will these fittings fit generic corrugated pipe?
They are made for ADS N-12 dual-wall pipe of the listed diameter. Single-wall cheap corrugated often will not seal. Match ADS N-12 to ADS N-12.
What is the difference between soiltight and plain-end?
Soiltight bell-end fittings are designed for a gasketed / bell connection. Plain-end and snap fittings are a different join. Use the same family as the pipe on site.
Do you sell ADS pipe sticks, or just fittings?
This catalog is fittings-heavy (elbows, caps, couplings). Contact us if you need pipe sticks quoted.
How fast do ADS orders ship?
Free US shipping with no order minimum. In-stock items show an estimated delivery window on the product page when we can verify on-hand depth.
Send the pipe stamp — we will match the ADS fitting
Send a takeoff, photos, or a parts list. Free US shipping, no order minimum.
