Westinghouse, Simpson Stainless Steel Fridge Handle Pedestal Mount & Support.
This is the small block that holds the handle out from the fridge. There are usually 3 per handle and 6 per side by side fridge. Slightly different colour to the original 1444091 (which is no longer available). Buy the full set (x 6) for a complete colour match.
See models below
The Whirlpool RF199 generic water filter is mounted in the plinth grill below the doors. The filter is approximately 25.3cm long x 4.8cm diameter. Some Ariston Fridge models, such as the MSZ802DF & MSZ801D also use the 4396508
See Help Below