Feature: Made of superior material with strong wear resistance and sturdy structure for practical use. Strong sealing construction with highly detailed crafts. Work with highly performance. Easy to use and install. Versatility: the width of the clamp can be automatically adjusted according to the oil filler; the transparent lower chamber of the funnel shows the passage of oil; it helps to prevent overflow; it is suitable for the oil ports of various vehicle models; the thickened large diameter funnel adopts anti-static, anti-corrosion and high-temperature resistant plastic, which has no peculiar smell and is not easy to leak. Operation: the connector adopts adjustable design, tight connection and simple operation. No artificial support is needed, which saves time and energy. Easy to install. Provides fast oiling without spilling or waste, saving time and money. Description: Product Category:Air Conditioning Refrigeration Connector Adapter Name: oil filling funnel Scope of use: