All-New Drop Box Model 1 & 2

After many requests to offer this product, it's finally here! An affordable way to modernize your existing sump without having to buy a new one! Simply drop into your existing sump and attach your drains.

  • Compact In-Sump Design
  • Model 1
    • 10¼"x 10½"x 16"
    • Dual 4" 100µ filter bags
  • Model 2
    • 12½"x 16"x 16"
    • Dual 7" 100µ filter bags
  • Dual 1½" Drains
  • No-compromise build quality
  • Heavy Duty body
  • Heavyweight, High-Density ½” Polymer lid
  • Large opening provides easy access for filter bag removal
  • Same build standard as all of our Pro Series Sumps

Custom Work - Our Specialty

Custom Work

Precision Marine Systems has been building custom sumps, refugiums, reservoirs & Auto top off containers for 18 of our 20 years in business. Working with installers & retail stores alike, we can help facilitate your design.

Below is just a minute sampling of custom work. Most of the custom filtration we fabricate is large and very challenging to photograph properly. The process begins when the installer or retailer provides us with a sketch or gives us dimensions from which we can incorporate all of the elements they require.

Email us directly (include a sketch) or complete the below form to get the ball rolling.

Bulkhead Wrenches 50% Off

Offer expires midnight tonight. Use coupon code "Christmas2016"

Our famous bulkhead are wrenches are on-sale. Deep discounts! The best bulkhead wrenches in the business.

Manufactured since 2004, Precision Marine Bulkhead wrenches are designed to work with most Bulkhead Fittings and definitely fit the fittings we distribute. Machined from solid ½" PVC, these tools are extremely versatile.

The wrenches are normally used for, but are not limited to new installations. Popularly used for those that need to replace a fitting that has failed or to simply tighten a nut that has loosened. Obviously the plumbing will need to be removed first.

Available in 5 Sizes ½", ¾", 1", 1½" & 2"


Offer expires midnight tonight. Use coupon code "Christmas2016"

  • They can be cut down for tight spaces
  • You can add more pipe to make them longer
  • Add a tee or an elbow for leverage
  • Get a set for every installer's toolbox
  • By extending the PVC with a coupling, you can Install bulkhead fittings in tall overflow boxes by yourself!

Fits Most Bulkheads - Not guaranteed to fit all bulkhead nuts.

Available in:

  • ½", ¾, 1", 1½" & 2"