

Rule 4″ In-Line Blower
$81.99 $73.79
Weight | 1 lbs |
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Rule In-Line Blower – 4″ Ducting
Part Number: 240
Designed for efficient, high output operation, these blowers feature our exclusive front and rear shaft seals and corrosion resistant motor housings for long life. Compact and easily installed on any flat surface, Rule® in-line blowers provide higher air flow, lower amp draw, and quieter operation than standard blowers. For International & US Markets.
Features
- Efficient high-volume air flow
- Quiet operation
- Low amp draw
- Slip-on inlet and outlet ducting connections
- Sealed motor shaft for moisture protection
- Corrosion resistant nickel-plated motor housing
- IMCI (CE)
- USCG 183.410 Compliant: Ignition protected
Applications:
Race cars and helmet ventilation
Bus ventilation (engine and bathroom fumes)
Prison van ventilation (cooling, air-freshening)
Blow-up signs and mascots
Tanning booths
Building ventilation
Specifications
- Approvals: CE
- Dimensions (H x W x D): 102 x 152 x 106 (mm)
- ElectricalCharacteristics: 4.3 Amp
- Flow Rate (US gallons & litres): 235 CFM @ Open Flow
- Fuse Size: 7 (amp)
- Product Inlet Fitting: 4″ (102 mm) Ducting
- Product Outlet Fitting: 4″ (102 mm) Ducting
- Voltage: 13.6 (Vdc)


⚓ Smooth Sailing Shipping
Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).
We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .
🧭 Track The Voyage
You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.
🛟 Hassle-Free Returns & Exchanges
Returns accepted within 30 days of delivery. Items must be unused and in original packaging.
- Mistaken or damaged cargo? We’ll handle return shipping.
- Changed your course? Return shipping is on you.
- Report defects or damage within 7 days for a free exchange.
💰 Anchor Your Refund
Refunds go back to your original payment method within 5–7 business days after inspection.
📨 Contact the Crew
Questions about your order? Drop anchor at sales@marineelec.com .