This Sale is for one brand new CPR Bulkhead Mount surface skimming Overflow Box (RSS05DX) for Nano Tank.
This is the newest model from CPR with the grated wall. (See photo)
- Flow rate is determined by the bulkhead you use. This box can handle 1000+ GPH.
- 6.25" x 2.5" x 3.7"
- High-Quality Black Acrylic. 3/16" thick.
- 5 sided, ready for a hole for a bulkhead
- Clean grate, CNC machined
- High Quality, Hand Crafted by CPR in the USA
Install by using a bulkhead. Make sure you place a bulkhead gasket between the overflow box and the aquarium.
These units do not have holes; you will need to drill a hole as per your need.
Hole sizes for the bulkheads:
3/4" Bulkhead: 1.5" (38 mm) Diameter
1" Bulkhead: 1.75" (45 mm) Diameter (You will need short stem bulkhead or put stem/nut side in the overflow)
We also sell Diamond Tip Hole Saw. Please click DIY under store category on the left side.
** If you do not have experience drilling a hole on an aquarium, please go to "youtube" and search for "drilling holes on glass Aquarium". There are many informative videos that will help your projects.
Please consider flow rate requirement before choosing bulkhead size:
| Assume Gravity to Low Pressure |
Bulkhead size | GPM
(with minimal pressure loss & noise) | GPH
(with minimal pressure loss & noise) |
1/2" | 7 gpm | 420 gph |
3/4" | 11 gpm | 660 gph |
1" | 16 gpm | 960 gph |
1.25" | 25 gpm | 1,500 gph |
1.5" | 35 gpm | 2100 gph |
2" | 55 gpm | 3300 gph |
2.5" | 80 gpm | 4800 gph |
3" | 140 gpm | 8400 gph |
*These rates are with no restrictions such as elbows, valves, sponges and slip screen.
60 to 70% of above rates are average practical flow rate in Aquarium set up.
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Payment Policy:
- Only PayPal is accepted, and we will only ship to your verified PayPal address.
- Please pay within five days of purchasing of the item. If you cannot make the payment within that period, please email us and let us know.
Shipping Policy:
- PayPal Confirmed Addresses Only.
- Items will be shipped within two Business day of receiving full payment
- We only ship out orders Monday - Friday (all orders placed after 3:00 pm PST Friday - Sunday, will be shipped out the following Monday.)
- Tracking Number will be provided to all US address.
- Since we are located in remote rural area Express Service (next day) is not available.
- Tracking is not available to USPS oversea shipments. USPS will only give confirmation of shipment, not the tracking information once it leaves the US.
Returns Policy:
- You may return items within 14 business days of confirmed delivery.
- Shipping cost for returns is paid by the buyer.
- Items must be post marked no later than 14 business days of delivery date for a FULL REFUND of the item.
- Shipping Charges will not be refunded.
- Please contact us ASAP to get return information and RMA number. We will not accept returns without RMA number.
We are open Monday through Friday 8 am to 5 pm, and closed on national holidays. We will not be able to answer any questions during non-working hours.
Thank you for looking.