{"product_id":"hart-cooley-558515-usvh1-16x6-spiral-diffuser-universal-double-deflection-aluminum-satin-anodized","title":"Hart Cooley 558515 USVH1 16x6 Spiral Diffuser Universal Double Deflection Aluminum Satin Anodized","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Hart Cooley 558515 is a 16 by 6 inch spiral diffuser designed for universal double deflection air distribution in commercial and residential HVAC systems. Part of the USVH series, this unit is built from aluminum with a satin anodized finish, giving it both durability and a clean, professional appearance that blends with most ceiling and wall surfaces. HVAC installers and mechanical contractors rely on diffusers like this one to direct conditioned air evenly into a space, improving comfort and reducing hot or cold spots. The double deflection design means airflow can be adjusted in two directions, giving technicians precise control over how air spreads across a room. This flexibility makes the 558515 a practical choice for retrofit projects and new construction alike. The universal sizing accommodates a range of duct collar configurations, reducing the need for custom fittings and speeding up installation time on the job. The spiral pattern of the diffuser face promotes smooth, low-turbulence airflow, which helps reduce noise levels compared to standard bar-style grilles. At 16 inches wide and 6 inches tall, this diffuser fits a variety of standard duct openings and works well in light commercial spaces, office buildings, schools, and residential applications where consistent airflow distribution is a priority. The aluminum construction keeps the unit lightweight while maintaining structural integrity over years of use. The satin anodized finish resists corrosion and is easy to clean, making it a low-maintenance solution for facilities managers and building owners. Whether you are replacing a worn diffuser or specifying units for a new mechanical system, the Hart Cooley 558515 delivers reliable performance and a quality fit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble deflection design allows two-directional airflow adjustment for precise air distribution control\u003c\/li\u003e\n\u003cli\u003eUniversal sizing accommodates multiple duct collar configurations for easier installation and fewer custom parts\u003c\/li\u003e\n\u003cli\u003eAluminum construction with satin anodized finish provides corrosion resistance, light weight, and a clean appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe Hart Cooley 558515 USVH series spiral diffuser combines universal fit, double deflection airflow control, and durable aluminum construction into a reliable solution for commercial and residential HVAC air distribution applications.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HART COOLEY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 558515\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: USVH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Double Deflection Spiral Diffuser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: Universal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin\u003c\/strong\u003e: Domestic\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HART \u0026 COOLEY","offers":[{"title":"Default Title","offer_id":51121092624690,"sku":"558515","price":153.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/304881213.jpg?v=1777748139","url":"https:\/\/voomisupply.com\/products\/hart-cooley-558515-usvh1-16x6-spiral-diffuser-universal-double-deflection-aluminum-satin-anodized","provider":"Voomi Supply","version":"1.0","type":"link"}