--- product_id: 619247324 title: "Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting" brand: "therwen" price: "$80.21" currency: USD in_stock: true category: "Therwen" url: https://www.desertcart.us/products/619247324-therwen-4-pcs-3-4-chicago-air-fittings-npt-iron store_origin: US region: United States of America --- # 3/4'' NPT Thread Size Galvanized Carbon Steel 150 PSI Max Pressure Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting **Brand:** therwen **Price:** $80.21 **Availability:** ✅ In Stock ## Summary > ⚙️ Lock in Performance, Unlock Your Workflow! ## Quick Answers - **What is this?** Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting by therwen - **How much does it cost?** $80.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/619247324-therwen-4-pcs-3-4-chicago-air-fittings-npt-iron) ## Best For - therwen enthusiasts ## Why This Product - Trusted therwen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Industrial Use:** Perfect for air compressors, automotive, and mechanical engineering - • **Rustproof Galvanized Finish:** Durable carbon steel resists corrosion and wear - • **Built to Last Under Pressure:** Supports up to 150 PSI for demanding pneumatic tasks - • **Reliable 3/4'' NPT Threading:** Precision fit for universal air hose compatibility - • **Safety-First Locking Mechanism:** Includes silver safety locks for secure, worry-free connections ## Overview The Therwen 4 Pcs 3/4'' Chicago Air Fittings set features durable galvanized carbon steel construction with 3/4'' NPT threading, designed to handle up to 150 PSI. Each fitting includes a safety lock and rubber washer for secure, leak-free connections, making it ideal for pneumatic equipment, automotive applications, and mechanical engineering projects. ## Description Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting | 2 Lug Universal Coupling for Female and Male End - desertcart.com ## Features - What You Will Receive: you will receive 4 x 3/4'' NPT Chicago fittings, 4 x silver safety locks and 4 x rubber washers, the quantity is enough for you to use, can meet your daily life needs - Pressure Grade: the recommended maximum working pressure is under 150 psi to prolong its service life - Rustproof and Durable Material: the universal 3/4 air hose is made of carbon steel, and the surface is galvanized, to prolong the service time - Instructions for Use: each connector is equipped with a safety lock, which is applied to insert into the locking hole on the fitting to ensure that the air hose repair end is connected correctly - Widely Application: the universal air fitting can be applied to many occasions, such as pneumatic equipment, automobile industry, air compressors and mechanical engineering ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJ91CCCT | | Best Sellers Rank | #90,522 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #99 in Air Tool Fittings | | Brand | Therwen | | Brand Name | Therwen | | Color | Silver | | Connector Type | Coupling | | Country of Publication | China | | Customer Reviews | 4.8 out of 5 stars 34 Reviews | | Exterior Finish | Silver | | Item Dimensions | 3.94 x 3.94 x 3.35 inches | | Item Weight | 2.2 pounds | | Item dimensions L x W x H | 3.94 x 3.94 x 3.35 inches | | Manufacturer | Therwen | | Manufacturer Part Number | GFA-Therwen-1666 | | Material | Carbon Steel | | Material Type | Carbon Steel | | Model Number | GFA-Therwen-1666 | | Number of Packs | 4 | | Number of Pieces | 4 | | Set Name | Set of 4 | | Size | 3/4'' | | Thread Size | 3/4'' NPT | | Thread Type | NPT | | Unit Count | 4 Count | ## Product Details - **Brand:** Therwen - **Color:** Silver - **Connector Type:** Coupling - **Exterior Finish:** Silver - **Item Weight:** 2.24 Pounds - **Item dimensions L x W x H:** 3.94 x 3.94 x 3.35 inches - **Material:** Carbon Steel - **Size:** 3/4'' - **Thread Size:** 3/4'' NPT - **Thread Type:** NPT ## Images ![Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting - Image 1](https://m.media-amazon.com/images/I/81Vw6DJGu5L.jpg) ![Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting - Image 2](https://m.media-amazon.com/images/I/71TRCdx7xmL.jpg) ![Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting - Image 3](https://m.media-amazon.com/images/I/71tzmlThNnL.jpg) ![Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting - Image 4](https://m.media-amazon.com/images/I/71xPQFJmDaL.jpg) ![Therwen 4 Pcs 3/4'' Chicago Air Fittings Npt Iron Air Hose Fitting - Image 5](https://m.media-amazon.com/images/I/71CDdTFDKhL.jpg) ## Available Options This product comes in different **Size, Style** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/619247324-therwen-4-pcs-3-4-chicago-air-fittings-npt-iron](https://www.desertcart.us/products/619247324-therwen-4-pcs-3-4-chicago-air-fittings-npt-iron) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-23*