Uncategorized · Duct Transitions
Sheet Metal Products Inc 421 8X8-12 Square to Round Transition
METALS · sold by Voomi Supply · $42.89 · in stock
Product Description The SHEET METAL PRODUCTS INC 421 8X8-12 is a square to round transition fitting used in sheet metal ductwork systems. It connects a square or rectangular duct opening to a round duct collar, bridging two common duct shapes within a single fitting. The size designation 8X8-12 indicates an 8-inch by 8-inch square inlet transitioning to a 12-inch round outlet. HVAC installers and sheet metal contractors use this fitting when a supply or return air trunk requires a change in duct geometry. Sold as a single unit, it fits into residential and light commercial forced-air duct…
| Option | Price | Stock | |
|---|---|---|---|
| Default Title | $42.89 | in stock | Order via Kaupia → · Buy at Voomi Supply |
Prices and stock from voomisupply.com’s public catalog, last checked 2026-11-01 19:33 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:9e5f7b4a-0391-4d4e-b0f1-c3c2683a1a20; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.