Rule 4" In-Line Blower

The Rule® In-Line Blower 4" Ducting (Part Number: 240) is expertly designed for marine and boating applications, delivering powerful and reliable ventilation to keep your vessel's interiors comfortable and free from unwanted fumes. Its compact and corrosion-resistant construction ensures long-lasting performance, making it an ideal choice for a variety of maritime environments.

Features

• High-volume air flow for optimal ventilation
• Quiet operation to maintain a peaceful onboard environment
• Low amp draw for energy-efficient performance
• Slip-on inlet and outlet ducting connections for easy installation
• Sealed motor shaft to protect against moisture and corrosion
• Nickel-plated motor housing enhances durability in marine conditions
• IMCI (CE) certified for international compliance
• USCG 183.410 Compliant: Ignition protected for added safety

Applications

Perfect for a wide range of marine and boating needs, including:

• Cabin ventilation to ensure fresh air circulation
• Engine compartment cooling to prevent overheating
• Bathroom exhaust systems to eliminate odors
• Galley ventilation for a comfortable cooking environment
• Air circulation in storage areas to reduce moisture buildup
• Cooling electronic equipment compartments for enhanced performance

Specifications

Feature	Details
Ducting Size	4" (102 mm)
Flow Rate	235 CFM @ Open Flow
Voltage	12 VDC
Dimensions (H x W x D)	5" H x 5" W x 6" L
Weight	1 lb
Electrical Characteristics	4.3 Amp
Fuse Size	7 Amp
Product Inlet Fitting	4" (102 mm) Ducting
Product Outlet Fitting	4" (102 mm) Ducting
Approvals	CE, USCG 183.410 Compliant
UPC	042237085429

WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer. For more information, visit P65Warnings.ca.gov.

Owner's Manual (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.