Inside Mount Andersen Automatic Bailer. Flange Size 78mm x 135mm, Size of opening 540mm² (0.837in²)
FEATURES
Effective and reliable means of automatic bailing.
Made of stainless steel and guaranteeing years of trouble free servicing
Flange size - 78 x 135mm (3 1/8" x 5 5/16").
Fitting hole - 54 x 110mm (2 1/8" x 4 3/8")