The fdb510rhs is an all-in-one door-frame plastic door frame that looks to be an improvement over the fdba520rrs2b.
It’s rated at 2.2m (7ft).
The fdda520rs is rated at 6.2ft (2.8m).
The only downside is the price, at $6,250, but it comes with a 12-month warranty.
The fda520r is rated for $5k and the fda510r is for $4k.
The fdb620r is another plastic door door frame.
It comes with 3-inch (70mm) door hinges and is rated to handle up to 8lbs (2kg).
The price starts at $1,650 and includes a 12 month warranty.