Description
- Description
3" x 50' Blue Polyduct Blower Hose
Trident Polyduct is the most flexible, crush proof and rugged blower duct hose for heat, ventilation, and air conditioning* (HVAC). Heavy Duty polypropylene hose, reinforced with a flexible polypropylene rod helix.
Features:
- Excellent flexibility & compressibility
- Excellent resistance to crushing, flex fatigue, tearing, and moisture
- Stomp on it and it returns to shape without damage
- Shove it thru tight openings and overheads and it delivers full airflow
Application:
- Rugged blower duct hose for heat, ventilation and air conditioning
Specifications:
- Temperature Range: -40°F to +225°F (-40°C to 107°C) (when insulated)
- Length (feet): 50' Boxed
- Inner Diameter (inch): 3"
*Meets FMVSS 302 flame resistance
Specifications:
- ID Diameter (inches): 3"
- Length (Feet): 50'
- Box Dimensions: 20"H x 20"W x 20"L WT: 9.5 lbs
- UPC: 704917017518
Refund Policy
Return Policy – Marine Tech Supplies
Effective Date: January 9, 2026
At Marine Tech Supplies, we want you to be satisfied with your purchase. Please review our return policy below.
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Return Window
All return requests must be made within 14 days of the delivery date.
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Return Eligibility
To be eligible for a return:
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Item must be unused and in original condition
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Item must be in original packaging
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All accessories, manuals, and parts must be included
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Proof of purchase is required
Items that are damaged due to misuse, installation error, or negligence are not eligible for return.
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Non-Returnable Items
The following items cannot be returned:
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Special order or custom products
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Clearance or final sale items
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Installed or used items
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Electrical components once opened
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Items returned without approval
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Return Authorization (RMA Required)
All returns require a Return Authorization (RMA).
Returns sent without approval will be rejected.
To request an RMA, contact via About section
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Return Shipping
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Customer is responsible for return shipping costs unless the error was ours
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Items must be shipped with tracking and insurance
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We are not responsible for lost or damaged return shipments
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Restocking Fee
A 15% restocking fee may apply to all approved returns.
Shipping charges are non-refundable.
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Refund Process
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Refunds are issued after inspection and approval
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Refunds are processed back to the original payment method
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Allow 5–10 business days for refunds to appear after approval
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Damaged or Incorrect Items
If your item arrives damaged or incorrect:
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Report within 48 hours of delivery
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Provide photos and order details
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We will arrange a replacement or refund at no cost
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Refused Deliveries
Refused shipments are treated as returns and may be subject to:
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Return shipping fees
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Original shipping fees
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Restocking fee
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Chargebacks
Initiating a chargeback without contacting us first may result in denial of future service.
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Policy Updates
Marine Tech Supplies reserves the right to update this policy at any time without notice.
