Feature: 1.pop up push roof air vent large white horse float 2. top of the rangelarge push up roof air vent. 3.frame is made from steel with rubber seal 4.for exceptional waterproof dustproof seal when closed 5.comes with full inside facia panel 6.float trailer caravan rv 7.both handles pushed up allows ful airflow of vent 8. this 3 way air vent Hole Size:490*250MM,Frame Size 565*325MM,Spring:90mm Height Note:Handle we have white and black colors,also cover we have plain design cover  and X design cover,we post randomly,plz note that before you buy,thank you