Shipping
- Complimentary ground shipping within 1 to 7 business days
- In-store collection available within 1 to 7 business days
- Next-day and Express delivery options also available
- Purchases are delivered in an orange box tied with a Bolduc ribbon, with the exception of certain items
- See the delivery FAQs for details on shipping methods, costs and delivery times
Returns and Exchanges
- Easy and complimentary, within 14 days
- See conditions and procedure in our return FAQs
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].
Also Live Chat is available.
Call to speak with our air compressor experts! We offer product assistance, advice and quotes on quality products!
Let us help you design the air system that best suits you!
Mon-Fri 6:00 am to 5:00 pm CST
Live Chat feature available on the weekend
Call To Us Free: 877 388 4111
"Over 50 Years of Experience"

Equal Straight Union - RPU ET
| Part Numbers | For Tube OD |
|---|---|
| RPU ET0404 | 4 mm |
| RPU ET0505 | 5 mm |
| RPU ET0606 | 6 mm |
| RPU ET0808 | 8 mm |
| RPU ET1010 | 10 mm |
| RPU ET1212 | 12 mm |
| RPU ET1414 | 14 mm |
| RPU ET1616 | 16 mm |
| RPU ET1818 | 1/8" |
| RPU ET3131 | 3/16" |
| RPU ET4141 | 1/4" |
| RPU ET5151 | 5/16" |
| RPU ET5353 | 5/32" |
| RPU ET3838 | 3/8" |
| RPU ET2121 | 1/2" |