Shipping
- In-stock items are processed within 1 to 2 business days and typically delivered within 5 to 7 business days in the U.S.
- Factory-direct items ship on the manufacturer lead time shown on the product page.
- Tracking information is provided for every order.
- Shipping options and costs are calculated at checkout. See our Shipping Policy for details.
Returns and Exchanges
- Return eligibility, timeframes and any restocking fees are listed in our Returns, Exchange and Refund Policy.
- Questions about a return? Call 1-877-388-4111.
Questions?
Call 1-877-388-4111 or email [email protected].
Availability/Lead Time
If an item is out of stock, we provide an estimated arrival time at Penry Air. This estimate is based on information from the manufacturer and our experience with ordering the item. Please note that the actual lead time may vary. The estimate does not include shipping time to your location.
If you have any questions about availability, please call 1-877-388-4111 or email [email protected].
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"Over 50 Years of Experience"

The Castair 10 HP (2x5) Duplex Air Compressor is a powerful and reliable solution for your industrial air compression needs. Engineered to deliver exceptional performance, this Castair Duplex Air Compressor features dual 5 HP motors, ensuring continuous and efficient operation, even under the most demanding conditions. With a 35 CFM output at 175 psi, it provides ample air supply for a variety of applications, from heavy-duty machinery to pneumatic tools.
Housed in a robust 240-gallon tank (D5324HC2-S), this compressor is designed for durability and long-term use. The Pump RPM of 445 ensures that the compressor runs smoothly and quietly, reducing wear and tear on the components and extending the lifespan of the unit. The included mounted starter makes it easy to operate, providing a hassle-free start-up every time.
Whether you're looking to upgrade your current system or invest in a new one, the Castair 10 HP (2x5) Duplex Air Compressor offers the perfect blend of power, efficiency, and reliability to meet your needs.
Key Features & Benefits:
- Dual 5 HP Motors: Delivers consistent power with dual motors, ensuring continuous operation without overheating.
- 35 CFM @ 175 psi: High airflow and pressure capacity to support a wide range of industrial applications.
- 240-Gallon Tank (D5324HC2-S): Large capacity tank provides ample air storage, reducing the frequency of cycling and enhancing efficiency.
- Pump RPM 445: A low RPM pump reduces noise and wear, ensuring a longer service life and quieter operation.
- Mounted Starter Included: Simplifies operation with an easy-to-use starter, ensuring reliable start-up with minimal effort.
- Durable Construction: Built to withstand tough industrial environments, ensuring longevity and consistent performance.
This Castair Duplex Air Compressor is the ideal choice for businesses seeking a dependable and efficient air compressor that offers superior performance, durability, and ease of use.