Description ATTWOOD ABS Collector Box for 4 Inch Hose – 1348-1 The Attwood 1348-1 ABS Collector Box is designed for marine ventilation systems using 4 inch hose. It provides a durable connection point behind compatible Attwood modular hull vents, helping route intake or exhaust airflow while creating a raised water barrier where the ventilation hose connects to the box. Designed for 4 inch marine ventilation hose Compatible with Attwood 1438 and 1439 modular vent sections Suitable for intake or exhaust ventilation applications Corrosion-resistant plastic construction for marine environments Designed to help form a raised water barrier at the hose connection This collector box is commonly used as part of a hull-mounted ventilation setup where airflow needs to be directed through a vent and into ducting or hose. It is a practical replacement or installation part for compatible Attwood modular vent systems. Specifications Manufacturer: Attwood Part Number: 1348-1 Product Type: Marine ventilation collector box Material: ABS / plastic Hose Compatibility: 4 inch I.D. ventilation hose Compatible Vents: Attwood 1438 and 1439 vent sections Application: Air intake or exhaust ventilation Depth: 5 inches Cutout: 2-3/4 inches x 18 inches Hose Openings: 2 x 4 inch