{"product_id":"direct-to-duct-curved-air-grille-18x4-inch-for-12","title":"Direct To Duct Curved Air Grille 18x4 Inch For 12 Inch Ducts Matte Black Steel With Adjustable Airflow Vent Diffuser Made To Order 2 To 4 Weeks Lead Time","description":"\u003cdiv\u003eCurved Air Grille for 12in Ducts, Matte Black\u003cbr\u003e\n✔️ Adjustable airflow with front vertical fins and rear horizontal fins \u003cp\u003eThis curved steel grille for 12 in ducts is made to order with a 2-4 week production time. It features a curved face and adjustable vertical front fins with rear horizontal fins to fine-tune airflow, improving distribution in HVAC systems for residential, commercial, and light industrial uses. Matte black finish adds a modern look.\u003c\/p\u003e \u003cp\u003e✅ Size and fit: 18x4 in (457x102 mm) curved face for 12 in ducts (304.8 mm) with ±2 in tolerance (±50.8 mm)\u003cbr\u003e✅ Material and finish: heavy-duty steel, matte black powder coat.\u003cbr\u003e✅ Airflow control: front vertical fins and rear horizontal fins for directional airflow.\u003cbr\u003e✅ Sealing and stability: sealing system minimizes leakage; back deflector scoop increases stability.\u003cbr\u003e✅ Lead time and options: made-to-order in matte black; metallic gray in stock; white by order.\u003c\/p\u003e \u003cp\u003e💡 What is a curved air grille used for in HVAC systems?\u003c\/p\u003e\n\u003cp\u003eIt directs airflow efficiently while reducing leakage and noise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCurved face design aligns with duct sizes to reduce turbulence\u003c\/li\u003e\n\u003cli\u003eDouble deflection fins help you tune airflow direction\u003c\/li\u003e\n\u003cli\u003eSealing system minimizes air leakage for better efficiency\u003c\/li\u003e\n\u003cli\u003eBack deflector scoop adds stability in high-flow setups\u003c\/li\u003e\n\u003c\/ul\u003e\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49129652420843,"sku":"VXB0H5MJQYRD","price":211.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61NCN2fdeIL_7ee69ea9-b9cc-4d7b-a0b1-2f0d8661487e.jpg?v=1785466419","url":"https:\/\/vxb.com\/products\/direct-to-duct-curved-air-grille-18x4-inch-for-12","provider":"VXB Bearings","version":"1.0","type":"link"}