Based on the positive reviews I've ordered this insect screen door. Packaging was perfect, unpack everything on the spot and in good condition. In building I noticed that the Calculation Instructions mass for determining the length of the profile are wrong! The instructions indicated that one should measure the clear width of the door frame, subtract 2 cm and cut to this length, the horizontal profiles. This is wrong! The corner connectors measure 3.25 * 3.25 cm, accordingly, the horizontal profiles have to (at least) 6.5 cm are cut, and not to 2 cm as indicated! Fortunately, I kept the first profile trial basis in the frame and was undamaged pull one of the corner connectors with great difficulty out of the profile to cut the profile to the correct length. Similarly, the measurement for the length of the vertical profiles is wrong. Contrary to the construction manual you have to measure the clearance height of the frame, deduct therefrom 9.5 cm (3.25 cm respectively for the two corner connectors and 3 cm for the middle connector) and then divide by 2.
Apart from the wrong building dimensions, the structure of the door very easily designed and the door is perfectly in place.