Attwood ASM-Blwr Turbo 4000 Series II InQuiet water‑resistant marine blower for bilge and enclosed‑space ventilation.

• Turbo 4000 Series II, InQuiet design, water resistant, bulk packaged, 3‑year warranty
• Fits 102 mm (4 in) internal diameter ventilation hose
• 12 V nominal — Open flow 200 CFM; In‑system 100 CFM; Current 2.5 A; Fuse 5 A; 13.6 V design — Open 230 CFM; In‑system 125 CFM; Current 2.9 A; Fuse 5 A
• 24 V nominal — Open flow 200 CFM; In‑system 100 CFM; Current 1.5 A; Fuse 3 A; 27.2 V design — Open 230 CFM; In‑system 125 CFM; Current 2.0 A; Fuse 3 A
• Install with #10 fasteners
• Individual carton includes 2 tie straps
• CFM in‑system defined using 0.91 m (3 ft) of duct with one 90° bend, collector box & louvered vent on discharge at 13.6 VDC

Compact, reliable ventilation for leisure craft—suits engine compartments and enclosed spaces where a water‑resistant 4in blower is required.