Ventilation & Air Purification Equipment
Duct products are specified by material, shape, diameter, wall thickness, insulation and corrosion resistance.
Product Overview
This catalog covers galvanized steel ducts, stainless steel ducts, FRP ducts, fiberglass composite ducts, phenolic foam ducts and PVC/PP ducts, together with elbows, tees, transitions, flanges, plenums and flexible connectors.
For custom or project-specific orders, clients can send drawings, target parameters, old equipment photos or a tender product list. Spruce HVAC reviews what can be supplied as standard, what should be adjusted and what needs accessory matching.

These are the product variations or selection paths clients usually review before price comparison.
Building type, operating hours, ambient condition and installation environment affect equipment selection.
Capacity, airflow, pressure, water flow, power supply and size should be reviewed according to product type.
Export packaging, delivery schedule and loading requirements should be specified before production.
Final values should be reviewed after the exact model and operating condition are clear.
| Product | Ducts |
|---|---|
| Category | Ventilation & Air Purification Equipment |
| Typical application | Commercial air conditioning duct systems; Industrial ventilation; Corrosive exhaust systems |
| Customization | Size, structure, function, accessory package, control mode and packaging according to project demand. |
| MOQ | MOQ can start from 1 unit for project equipment |
| Lead time | Normally 30-60 days, depending on standard or customized configuration |
Send model, quantity, target specification and application details so Spruce HVAC can check the right configuration.
Contact Spruce HVACProduct Selection
This catalog covers galvanized steel ducts, stainless steel ducts, FRP ducts, fiberglass composite ducts, phenolic foam ducts and PVC/PP ducts, together with elbows, tees, transitions, flanges, plenums and flexible connectors.
A duct quotation depends on shape, wall thickness, insulation, corrosion condition, fire requirement, flange type and delivery packing, not only on length.

The same product name can be used in different projects. These application areas show where this product family is commonly supplied.
Ducts is available for this application with configuration based on working condition, quantity and installation limits.
Ducts is available for this application with configuration based on working condition, quantity and installation limits.
Ducts is available for this application with configuration based on working condition, quantity and installation limits.
Ducts is available for this application with configuration based on working condition, quantity and installation limits.
Spruce HVAC prepares quotation details according to product role, duty data, commercial terms and export requirements.
| Product role | Ventilation & Air Purification Equipment; used for system support, replacement, new project supply or distributor stock. |
|---|---|
| Drawings | Duct layout, size list, shape, quantity and fittings. |
| Material | Galvanized, stainless steel, FRP, phenolic, PVC/PP, insulation and thickness. |
| Connection | Flange type, sealing, reinforcement, delivery section length and packing. |
| Commercial details | MOQ can start from 1 unit for project equipment. Lead time is normally 30-60 days, depending on standard or customized configuration. Send destination market, packaging requirement and whether OEM labeling is needed. |