Natotela Solid Manhole Cover and Frame 24x24in,Square Fiberglass Septic Tank Cover Size 20x20in,Clear Opening Size 17.3x17.3in,Catch Basin Cover, Reinforced Steel Embedded Sewer Cover with Handle. Amazon price $159. https://www.amazon.ca/dp/B0D9VS4TWT?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 Still in the box.