VEVOR pump Lake & Pond Aerator Compressor Rebuild Kit Service Kit 48mm OLF 400D
Fits a variety of VEVOR models such as OLF 400D - 140BS - A, and others. If your pump looks like the one pictured - this kit will fit it. Cup Seals have a 48mm ID. and fit into a cylinder sleeve with an ID of 63.4 to 64mm.