Beckson “rain drain” opening ports are made in the U.S.A from the finest marine grade plastics available today.
All metal parts are stainless steel and the lens is made from tough Lexan material.

Self draining style – with moulded drain on exterior housing.
Supplied with smoked (tinted) lexan lense.
Optional clear lense (sold separately).
Unique, simple cam lock opening and closing mechanism.
Exterior is made of white UV resistant marine grade plastic.
Rim sits tightly against the gasket for a waterproof seal.
Unique hinge allows the window to hold open at any angle.
Supplied complete with gasket, insect screen and trim ring.
All ports have a 50mm (2″) spigot which suits a maximum hull thickness of 45mm (1 3/4″). They can be cut down to size.

SKU
Model
Overall Size
Cut-out Size

RWB-2760
3 x 10
140mm x 314mm
89mm x 264mm

RWB-2762
4 x 10
172mm x 324mm
114mm x 254mm

RWB-2764
5 x 12
197mm x 372mm
140mm x 318mm

RWB-2766
4 x 14
172mm x 425mm
114mm x 365mm

RWB-2767
7 x 14
248mm x 425mm
190mm x 365mm

Spare Parts For Beckson Rectangular Opening Portholes (sold separately) are listed below. Please quote these codes when ordering by phone.

Port Code
Overall Size
Clear Lens Code
Tinted Lens Code
Gasket Seal Code
Fly Screen Code

RWB-2760
140mm x 314mm
RWB-SP361C
RWB-SP361S
RWB-SP365
RWB-SP363

RWB-2762
172mm x 324mm
RWB-SP240C
RWB-SP240S
RWB-SP243
RWB-SP246

RWB-2764
197mm x 372mm
RWB-SP241C
RWB-SP241S
RWB-SP244
RWB-SP247

RWB-2766
172mm x 425mm
RWB-SP242C
RWB-SP242S
RWB-SP245
RWB-SP248

RWB-2767
248mm x 425mm
RWB-SP362C
RWB-SP362S
RWB-SP366
RWB-SP364

Also available – Item RWB-SP250 – pair of complete white cam latches tosuitall Beckson ports (sold separately).