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Ronix Eight.3 Telescope Bag 400Lb Fat Sac


The fastest filling and draining portable 400lb ballast bag solution in the business...

Ronix Eight.3 Telescope Bag 400Lb Fat Sac

The fastest filling and draining portable 400lb ballast bag solution in the business. Eight.3's newest and simple solution for your boat offering 400lbs of capacity. Compatible with Eight.3 3700 GPH or 3000GPH portable pump. Less time time filling and draining, more time riding behind the boat!

How Eight.3 Works
Using the new Ronix 3000 GPH pump or Ronix 3700 GPH pump is easy. Fill and drain your new Ronix Telescope bags in a fraction of the time that you are used to.

To fill simply connect the male fitting on the end of the hose to the quick fill port on the top of the bag. Don't worry about spilling any water as there is a built in check valve to eliminate spills even when the bag is over filled.

To drain the bag start by pulling the top cover away from the telescoping drain tube and pull it out of the bag. Once the tube is above the water line of the sac unzip the entry point and place the pump body into the bag. Zip the drain port around the hose to minimize the risk of water spilling out as the bag is drained.

By sourcing a new high strength vinyl material, Ronix now has the strongest ballast bag on the market. All seams and inserts are sonic welded to maintain the highest structural integrity. The telescoping drain port has a waterproof zipper similar to what is found on a dry suit.


  • Telescoping chamber with TiZip waterproof zipper
  • 60 gauge heavy duty PVC materials
  • High strength sonic welded seams
  • 1.5” diameter fill port
  • Three 1” diameter external drain/vent ports
  • Shaped to fit under your seats or on the floor

Size Chart

42"L x 18"W x 14"H



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