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About This Product
The Flo-Well Dry Well System is designed to manage stormwater in areas prone to flooding by collecting, storing, and slowly releasing excess water underground. Unlike traditional dry wells filled entirely with gravel, the Flo-Well system uses a gravel-free interior that offers 250% more water detention capacity. A small amount of gravel is placed at the base to prevent scouring, and no heavy equipment is required for installation. Water from upstream catch basins or channel drains is directed into the dry well, where it seeps out through the open base and optional weep holes. This system is also effective for stormwater detention and infiltration in rain gardens, bioswales, and similar applications.
Highlights
Helps manage stormwater runoff to reduce flooding and property damage
Suitable for residential and commercial use including yards, golf courses, and wash-down areas
Connects to 4 in. sewer and drain pipes via top and side panel knockouts; unused knockouts stay securely closed
Gravel-free design increases water holding capacity compared to gravel-filled dry wells
Can be buried or stacked up to 8 ft. deep and supports pedestrian traffic including lawn tractors
Assembled side panels form a 24 in. dia. x 24 in. tall cylinder; with cover, total height is 28.75 in. and holds up to 50 gallons
Ribbed panel design adds strength and eliminates the need to pack gravel inside
Includes 30 optional 1 in. weep holes for added infiltration—easily punched out and can be wrapped with filter fabric (sold separately)
Compatible with other drainage products including catch basins, EZ drain systems, and pop-up emitters
Install individually or in series, with at least 18 in. between multiple units; stackable up to four units deep when site conditions allow
Made from UV-resistant high-density polyethylene (HDPE) with recycled and virgin materials
Optional accessories include bottom panel, surface drain inlet with 6 in. grate, and filter fabric wrap
Helps control on-site stormwater, minimizing erosion, pollution, and downstream flooding
Dimensions
Max. Compatible Pipe Size (In.) | 4″ |
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Min. Compatible Pipe Size (In.) | 4″ |
Product Depth (in.) | 24 in |
Product Height (in.) | 28.75 in |
Product Width (in.) | 24 in |
Details
Color Family | Black |
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Color/Finish | Black/Matte |
Compatible Area of Use | Driveway, Neighbor Runoff, Patio, Planter Areas, Pool Deck, Walkways, Yard |
Grate Shape | Round |
Material | Plastic |
Pack Size | 1 |
Package Quantity | 1 |
Pipe or Fitting Product Type | Accessory |
Product Weight (lb.) | 20.72 lb |