Janssens Greenhouse Hinged Door AccessoriesDESCRIPTION Particularly good for hinged doors in greenhouses on stemwalls. Holds door open at a 90 degree angle with very strong magnet Auto Closer Similar to commercial door auto closer. Arm and fixture are mounted inside the greenhouse to pull the door closed. The angle of door opening may be adjusted (can work well with greenhouses on knee walls). Auto closer only allows maximum opening of about 120 degrees. Hinged Door Stop Holder Door stop with