Supergrit Abrasives

4" X 4" X 2.5" FITTING - Y D3996

4" X 4" X 2.5" FITTING - Y D3996 - Main image
$7.35 $10.5 In stock

This 4" x 4" x 2.5" Y fitting (model D3996) is a straightforward component for your duct or ventilation setup. It is designed to connect three sections of pipe or hose at a Y-shaped junction, helping you split or combine airflow efficiently.

  • Measures 4 inches by 4 inches by 2.5 inches for a compact fit in tight spaces.
  • Y-shaped configuration allows for one inlet and two outlets, or vice versa.
  • Compatible with standard 4-inch ductwork or hose connections.
  • Sold individually; SKU D3996.
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Nicholas ★★★★★

The 4-inch Y fitting adapted seamlessly to my existing ductwork with no leaks. Its sturdy construction made installation feel solid and secure.

Adam Z. ★★★★★

The Y shape on this D3996 fitting made splitting my duct run surprisingly easy. The 2.5-inch branch aligns perfectly with my existing hoses, and it feels sturdy enough to hold up in the crawlspace.

Brian E. ★★★★★

Finally got this Y fitting installed in my basement duct run and it fit the 4-inch pipes perfectly without any adapter. The 2.5-inch branch saved me from having to buy a reducer, which was a nice bonus.