Top 8 Blower Vent Hose – Boat Bilge Pumps

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1. attwood


For 4-Inch Interior Diameter Vent Hose, Attwood 1749-4 Turbo 4000 Series II In-Line Blower, Water Resistant, 12-Volt

attwood #ad - Thru-hull. Brass snaps and plates. 3-year Warranty. Water-resistant, 12-volt, white. For 7/8" i. D. Vertical or horizontal install. Ideal for livewell drains. Low amp draw Motor for longer blower and battery life. Note: not for use with chemicals or fuels. Five-blade fan maximize airflow and efficiency.
Brandattwood #ad
ManufacturerAttwood #ad
Height3.94 Inches
Length4.92 Inches
Weight1.26 Pounds
Width6.1 Inches
Part Number1749-4

2. ITC


ITC White Blower Vent Grill for 4" Hose

ITC #ad - White plastic domed vent grill for 4" hose. Holds 4" blower hose with no clamps or fasteners! Provides 7. 33 square inches of ventilation. Overall dimensions: 4. 5" diameter, 1. 25" long tailpiece. Requires a 4-1/4" hole.
BrandITC #ad
ManufacturerReplacement Boat Parts #ad
Part NumberITC81933-W

3. attwood


12-Volt, For 3-Inch Interior Diameter Vent Hose, Attwood 1731-4 Turbo 3000 Series In-Line Bilge Blower

attwood #ad - System airflow exceeds older-style in-line blowers by as much as 25 percent. Provides outstanding ventilation airflow for areas such as engine compartments, galleys, bilges, and heads.

The blade sweep and pitch are engineered for a high lift coefficient, resulting in increased airflow speed for optimized ventilation. Do not operate in area of high heat over 160º F 71º C. Features a patented, in-line design and the 5-blade fan maximizes airflow and efficiency. Up to four times more efficient than competitive blowers as it draws up to 40 percent fewer amps. Marine ignition protected and has built-in mounting feet for easy vertical or horizontal installation.
Brandattwood #ad
ManufacturerAttwood #ad
Height5.75 Inches
Length11.75 Inches
Weight0.95 Pounds
Width11.5 Inches
Part Number1731-4

4. Trident


Blue Pack of 50, Vent Hose, 50' Length x 4" ID, Trident Marine 481-4000 Polypropylene Heavy Duty Polyduct Blower, 8 psi Maximum Pressure

Trident #ad - Excellent flexibility and compressibility. No metal so you can step on the hose and it will bounce back into shape. Reinforced with Polypropylene helix rod. Heavy duty polypropylene vent hose.
BrandTrident #ad
ManufacturerTrident #ad
Weight9 Pounds
Part Number481-4000

5. N2


HMN_STR 3"- 10 Feet White Boat Vent Bilge Blower Exhaust Hose 40030031

N2 #ad - Manufacturer's part number: SHI 40030031. 3"- 10 feet white boat Vent Bilge Blower Exhaust Hose. Vinylvent ducting Hose is PVC supported by anodized wire helix.
BrandN2 #ad
ManufacturerHMN_STR #ad
Weight0.94 Pounds
Part Number400-3003

6. Sea-Dog


Sea-Dog 337325 ABS Hose Vent 3", Black

Sea-Dog #ad - Overall size: 3-11/16". Fit type: Universal Fit. Injection molded ABS. Installs with four #8 FH fasteners not included. Hose hole size: 3"/3-1/8".
BrandSea-Dog #ad
ManufacturerSea-Dog #ad
Height3.74 Inches
Length2.99 Inches
Weight0.16 Pounds
Width3.74 Inches
Part Number337325

7. Five Oceans


4 inch White Pair FO-111-M2, Five Oceans Louvered Hose Thru Vent

Five Oceans #ad - Dimensions are 4-5/16 x 4-5/16 x 3-1/8 inches D. Type: louvered Hose Thru Vent. Made from injection-molded ABS plastic. Color: White. Cutout size: 4 inch hose.
BrandFive Oceans #ad
ManufacturerFive Oceans #ad
Weight0.82 Pounds
Part Numberunknown



SEAFLO 3" In-Line Marine Bilge Air Blower 12V 130 CFM Quiet Boat White

SEAFLO #ad - Model: sfib1-130-01, 12v, 2. 5a, 130cfm, 3" Outlet Hose. Provides ventilation for engine compartments, galleys, bilges and heads. Very low current draw, high volume air flow, and durable motor. 4-year Warranty. White abs plastic construction with built-in molded mounting brackets for vertical or horizontal install.
BrandSEAFLO #ad
ManufacturerSEAFLO #ad
Height4.57 Inches
Length8.24 Inches
Weight1.3 Pounds
Width5.31 Inches
Part Numberna