{"product_id":"prevost-alto-4-air-line-lubricator-tl-204-tl-205","title":"Prevost ALTO 4 Air Line Lubricator — 3\/4\" \u0026 1\" FNPT","description":"\u003cp\u003eThe \u003cstrong\u003ePrevost ALTO 4\u003c\/strong\u003e air line lubricator meters oil into the air stream to keep air motors, impact wrenches, grinders and cylinders running longer between rebuilds. ALTO 4 is the large-body size in the Prevost ALTO range, covering 3\/4\" and 1\" FNPT ports at flows well past what the smaller ATU bodies handle.\u003c\/p\u003e\n\n\u003cp\u003eAn adjustable needle valve sets the drip rate, and a sight dome on top lets you confirm the feed at a glance without shutting the line down. The modular ALTO 4 body stacks with the matching ALTO 4 filter and regulator to build a full 3\/4\" or 1\" FRL train.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort sizes:\u003c\/strong\u003e 3\/4\" FNPT and 1\" FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow rate:\u003c\/strong\u003e 254 CFM (3\/4\") \/ 318 CFM (1\") at 87 psi, ΔP = 7 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil capacity:\u003c\/strong\u003e Approximately 8 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended oil:\u003c\/strong\u003e ISO VG32 air tool oil (Prevost LUB 3256)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed:\u003c\/strong\u003e Adjustable needle valve with sight dome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Aluminum alloy with metal bowl guard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Prevost ALTO 4 air treatment module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Variants \u0026amp; SKUs\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003ePort Size\u003c\/th\u003e\n\u003cth\u003eFlow Rate\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL 204\u003c\/td\u003e\n\u003ctd\u003e3\/4\" FNPT\u003c\/td\u003e\n\u003ctd\u003e254 CFM at 87 psi (ΔP = 7 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL 205\u003c\/td\u003e\n\u003ctd\u003e1\" FNPT\u003c\/td\u003e\n\u003ctd\u003e318 CFM at 87 psi (ΔP = 7 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFlow ratings are taken from the Prevost 2026 US price list. Install the lubricator last in the train, downstream of the filter and regulator, and never upstream of a dryer or a paint circuit.\u003c\/p\u003e","brand":"Prevost","offers":[{"title":"3\/4\" FNPT | 254 CFM","offer_id":54579651608851,"sku":"TL 204","price":175.02,"currency_code":"USD","in_stock":true},{"title":"1\" FNPT | 318 CFM","offer_id":54579651641619,"sku":"TL 205","price":182.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/Prevost-TL-204_1299b0d9-624e-4927-8293-fdcd7801326c.jpg?v=1787056405","url":"https:\/\/aircompressorstore.com\/products\/prevost-alto-4-air-line-lubricator-tl-204-tl-205","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}