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RotoTank 300/550mm Extendible Manhole

Manufactured with High grade LLDPE plastics
Engineered to withstand underground pressure
Strong enough to prevent penetration from roots.
Child Safety Lid
To be used in conjunction with RotoTank™ Septic Tanks



Product Type: 300/550mm Extendible

300/550mm Extendible

Code: ExRing300/550

Height: can extend to 550mm at highest point, lowest point 300mm

Width: 450mm

One complete unit with lid

Warranty: 3 – Years

To secure, in the desired position please use pot-rivets.

Delivery: Free Nationwide -Delivery is free of charge to the nearest entry point on the property.

It is the client’s responsibility to arrange the placement of the tank to the desired position.


Manufactured with high grade plastics
Engineered to be placed underground
Keeps out roots and rodents
Extra thickness, durability


We Highly recommend that your tank be installed by a Qualified Builder or Plumber
Starter Tablets and French Drains can be purchased at extra cost
Ground Should be tested for ground water or clay soils as these can lead to installation problems
Not to be placed where vehicles can be driven over

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