Check the listing for details. Spectroline EZ-4/ECS Dye Capsule Leak Detector Cartridge 1/2 ounce. Condition: New. Listed at 18.95 USD. For Sale This Spectroline EZ-4/ECS Dye Capsule Leak Detector Cartridge is the perfect solution for detecting leaks in your air conditioning system. With a capsule size of 0.5 oz, this multiuse product is compatible with various types of air conditioners including packaged/rooftop, ducted evaporative, central, ductless mini split, air conditioner split system, dual fuel split air conditioning system, and heat pump split system. See pics for details. The leak detector is made with high-quality materials such as alkylbenzene, mineral, and POE. It is designed to detect leaks in your system without compromising on performance. This product is a must-have for any HVAC and refrigeration professional who wants to ensure the integrity of their system. Ships fast! * I am a US Military Veteran Seller. *Please check out my other listings for more great and interesting items! * NOTE - State Sales Taxes (Where Applicable) will be collected by Ebay at checkout. *Please note, unless noted as new, the items I am selling are vintage pre-owned, old and/or used. Because of this, they are sold AS IS, as found. Absolutely no returns on electronic items. I try to describe these items to the best of my ability and would not misrepresent anything intentionally. I list the defects, problems and imperfections I see on the items, but I can sometimes miss something or make a mistake. I will admit that I am not an expert on everything I sell so please look at the pictures for condition and e-mail me with any questions before buying. I try to answer every question asked, but cannot guarantee an answer if you ask the day the listing ends. All items are sold AS IS & AS SHOWN.