Comparison : Item # LEXHHCV375-13, Xclude® High Humidity Check Valve Breather - Button Breather
Item # LEXHHCV375-28, Xclude® High Humidity Check Valve Breather
Item # LEXHHCV1-66, Xclude® High Humidity Check Valve Breather
Item # LEXHHCV1-122, Xclude® High Humidity Check Valve Breather
Item # LEXHHCV1-188, Xclude® High Humidity Check Valve Breather