The Whale SB4222 non-metallic strum box is designed to prevent debris from entering the bilge pump hose, while the integral non-return valve stops any backward flow of water from returning into the bilge. The strainer plate is removable for easy cleaning.
Whale Strainer
The Whale SB4222 non-metallic strum box is designed to prevent debris from entering the bilge pump hose, while the integral non-return valve stops any backward flow of water from returning into the bilge. The strainer plate is removable for easy cleaning.
A side entry hose spigot is featured on the strum box, which is suitable for 25mm and 38mm inside diameter hoses.
The length is 170mm (6-6/8″), the width is 120mm (4-6/8″), and the depth is 58mm (2-1/2″). The material used is plastic, and the hose tail size is 25mm / 1″ or 38mm / 1-1/2″. The primary construction is plastic, and the strainer design is a strum box.
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