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- and high-temperature 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. Name:Air conditioning adaptor Connection type:pair wire Scope of application:air conditioning adapter Applicable hose:hydraulic pipe Product Category:Air Conditioning Refrigeration Connector Adapter Scope of use:Automobile Colour:Blue & Red Material:alloy Package Contents: 1 set * Air conditioning adaptor Only the above package content, other products are not