281-Gallon 60″Lx30″Wx42″H Rectangle Aquarium Setup filter Model CP424236 Size 42″x42″x36″ Gallons

Model CP424236 Size 42″x42″x36″ Gallons 196 Weight 280  Side Walls 3/4″ Top and Bottom 3/4″ Filter Size 32″x16″x18″ # of Overflows 1 Overflow Plumbing in each overflow 2-1″ Drain 1-3/4″ Return

6 – Photo Red

OS-30B acrylic reef sump

Model R724842 Size  72″x48″x42″ Gallons 558 Weight 738 Side Walls 1″ Top and Bottom 1″ Filter Size 60x18x18 # of Overflows 2 Overflow Plumbing in each overflow 2-1″Drain 1-3/4″ Return

so it’s a little different than a standard water level sensor⁠—but purpose-built for this specific and important application

281-Gallon 60″Lx30″Wx42″H Rectangle Aquarium Setup filter Model CP424236 Size 42″x42″x36″ GallonsModel R603042 Size 60x30x42 Gallons 281 Weight 485 Side Walls 1 Top and Bottom 1 Filter Size 42x16x16 # of Overflows 1 Overflow Plumbing in each overflow 2 1Drain 1 3 4 Return