VT4/12 UV System with 10" Big Blue Filter Housing and Sediment Prefilter | Bundle
VT4/12 UV System with 10" Big Blue Filter Housing and Sediment Prefilter | Bundle
This bundle includes the Viqua VT4/12 UV Water Disinfection System, a 10" Big Blue filter housing, and a Viqua CMB-510-HF sediment filter to provide reliable point-of-use water treatment for homes, cottages, boats, or RVs. The sediment prefilter removes dirt, rust, and particles before the water reaches the UV chamber, helping improve UV performance and deliver clean, safe drinking water.

VT4/12 UV System with 10" Big Blue Filter Housing and Sediment Prefilter | Bundle
Viqua VT4/12 UV Water Disinfection System with 10" Big Blue Filter Housing and Sediment Prefilter Bundle
This bundle combines the reliable Viqua VT4/12 ultraviolet water disinfection system with a heavy-duty 10" Big Blue filter housing and a high-performance sediment filter to provide effective point-of-use water treatment. The sediment prefilter removes dirt, rust, and particles before the water reaches the UV chamber, helping improve UV performance and deliver clean, safe drinking water.
The VT4/12 UV system is a compact, chemical-free solution designed for single faucet or low-flow applications such as homes, cottages, boats, RVs, or solar installations. It provides dependable ultraviolet protection while using very little power.
Bundle Includes
• Viqua VT4/12 12-Volt UV Water Disinfection System
• Viqua 10" Big Blue Filter Housing – Part #AWP40B-V
• Viqua 15–5 Micron Sediment Filter – Part #CMB-510-HF
UV System Features
• Genuine Viqua ultraviolet disinfection system
• Maximum flow rate up to 3.5 GPM (13 LPM)
• Chemical-free protection against bacteria
• Compact and easy to install
• Built-in “on” indicator light
• 12-volt system ideal for boats, RVs, and solar applications
• Power consumption: 20W (0.4 amps)
• Dimensions: 17" × 2 1/2" (43.6 cm × 6.5 cm)
• Connection size: 1/2" MNPT
• Uses UV lamp S330RL and quartz sleeve QS-330
10" Big Blue Filter Housing
• Heavy-duty three-piece housing for 10" Big Blue cartridges
• Manufactured from food-grade materials
• Maximum flow rate: 20 GPM
• Connection size: 1" FNPT
• Dimensions: 8" × 15 1/2" (20.3 cm × 39.3 cm)
• Built-in pressure relief valve
• Bottom drain port for easier maintenance
• Includes mounting bracket and housing wrench
• NSF 42 Certified
Sediment Prefilter – CMB-510-HF
• Removes sediment, dirt, and rust before UV treatment
• Dual gradient density: 15 micron outer / 5 micron inner
• Manufactured from 100% melt-blown polypropylene
• Grooved design increases surface area for improved filtering efficiency
• Maximum flow rate: 18 GPM
• Dimensions: 4.5" × 10" (11.4 cm × 25.4 cm)
Note: The VT4/12 UV system replaces the older Sterilight SC2.5 and SC4 models.

Real People. Real Support.
We’re a small team of water filtration specialists who care about doing things the right way.
Every product on our site has been chosen because it works, not because it’s trendy or pushed by a supplier.
If you ever need help, you’ll talk to someone who actually understands water systems and wants to make this easier for you.
FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

