{"product_id":"earthtec-fb99100-12-inch-attic-fan-blade-5-blade-propeller-32-degree-pitch-for-1-2-inch-shaft","title":"Earthtec FB99100 12-inch Attic Fan Blade - 5-Blade Propeller, 32-degree Pitch, for 1\/2-inch Shaft","description":"\u003ch2\u003eReplace, not rebuild: Earthtec FB99100 12-inch Attic Fan Blade\u003c\/h2\u003e\n\u003cp\u003eWhen an attic fan blade wears or sags, it can quiet a room and improve airflow to a more comfortable level. The Earthtec FB99100 is a precise 12-inch, five-blade propeller designed to fit a 1\/2-inch shaft, with a 32-degree pitch that helps move air efficiently while maintaining balance. This stock number FB99100 part is intended to be a direct replacement, allowing you to restore performance without replacing the entire fan unit. The goal is a simple, reliable swap that preserves the rest of your system while preserving quiet operation and stable rotation.\u003c\/p\u003e\n\u003ch3\u003eKey features and compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter and blades:\u003c\/strong\u003e 12 inches with 5 blades for steady airflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 32-degree angle to optimize air movement through attic space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft compatibility:\u003c\/strong\u003e designed for standard 1\/2-inch shafts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrientation and mounting:\u003c\/strong\u003e set screw is positioned to secure the blade while viewing the hub side clockwise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStock and reliability:\u003c\/strong\u003e official FB99100 replacement blade, built for durability and long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntended for quick installation, this blade is built from premium materials and tested to deliver stable, quiet operation. It is a practical way to refresh an aging attic fan and maintain steady airflow without the downtime of a full fan replacement. When installed correctly, it supports smooth rotation and reduced vibration, contributing to a more comfortable attic environment.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect during use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation:\u003c\/strong\u003e refined blade geometry helps minimize noise while moving air.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e robust materials designed for reliable performance over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e a straightforward swap after power is shut off, with quick alignment using the hub.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelpful guidance:\u003c\/strong\u003e You can search related setup videos to see installation tips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore starting, ensure safety by turning off the power to the unit. The installation typically takes just a few minutes, and verifying the clockwise hub orientation helps ensure a secure fit with the set screw.\u003c\/p\u003e\n\u003ch3\u003eWhy choose a replacement blade\u003c\/h3\u003e\n\u003cp\u003eReplacing just the blade can be a cost-efficient way to restore original airflow and quiet performance. The Earthtec FB99100 blade emphasizes balance, stability, and a dependable fit for many existing attic fans. This approach keeps your current system intact while delivering a refreshed, efficient airflow experience through your attic space.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Earthtec FB99100 blade compatible with a 1\/2 inch shaft attic fan?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this blade is designed for 1\/2 inch shafts; verify hub orientation before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the basic installation steps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Power off the unit, align the hub, secure with the set screw clockwise from the hub side.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Earthtec","offers":[{"title":"Default Title","offer_id":53094015565935,"sku":"B07RS12GMP","price":35.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/earthtec-attic-fan-blade-12-inch.jpg?v=1778784094","url":"https:\/\/taskholt.com\/products\/earthtec-fb99100-12-inch-attic-fan-blade-5-blade-propeller-32-degree-pitch-for-1-2-inch-shaft","provider":"TaskHolt","version":"1.0","type":"link"}