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4.215″ All-Plastic PVC Pipe Cap (4″ Fitting ID, Fine Mesh)

$15.99 on Amazon.com (as of October 16, 2026, 10:10 AM EST) View details ↗

Keep your sewer system secure with this **all-plastic, integral-screen pipe cap**—designed to fit snugly inside **4″ D3034 SDR 26 & 35 PVC elbows and fittings** (2-1⁄4″ fitting ID). Engineered for durability, this **one-piece cap** features a **4.215″ outer diameter (OD)** for a tight, interference-free seal, preventing debris, pests (birds, squirrels, insects), and moisture from entering while allowing airflow. Made entirely of **heavy-duty plastic** in the USA, it resists corrosion and stands up to harsh indoor or outdoor conditions.

The **integral mesh screen** comes in multiple options—**fine mesh** (standard), 1⁄4″, 1⁄2″, or 3⁄4″ openings—to balance protection and ventilation based on your needs. Installation is effortless: simply slide the cap into the fitting’s **2-1⁄4″ inner diameter (ID)** for a secure fit, or use PVC cement for a permanent bond if required. Ideal for **sewer lines, drainage systems, and plumbing terminations**, this cap ensures long-term protection without compromising performance.

Outer Diameter (OD)4.215″ (fits 4″ D3034 SDR 26/35 PVC fittings)
Fitting Inner Diameter (ID)2-1⁄4″
MaterialHeavy-duty all-plastic (corrosion-resistant)
Mesh OptionsFine, 1⁄4″, 1⁄2″, or 3⁄4″ openings
Compatibility4″ D3034 SDR 26 & 35 Sewer PVC elbows, couplers, and fittings
InstallationSnug slide-fit; optional PVC cement for permanent attachment
How do I confirm this cap fits my specific PVC fitting?
Measure the **inner diameter (ID)** of your fitting’s opening—it should be **2-1⁄4″ (approx. 4.215″ OD)**. The cap is designed to fit *inside* elbows/couplers, not over the pipe itself.
Can this cap be used outdoors without issues?
Yes, the all-plastic construction is **corrosion-resistant** and suitable for both indoor and outdoor applications in sewer or drainage systems.
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