These are used in conjunction with an approved main drain cover and skimmer.
Pool safety - new federal standards for drain covers and pool barriers.
He dropped the flashlight, grabbed the drain cover and ducked.
He lives in the sewer, and Dirty speaks to him through drain covers.
Later, he had a suspension failure caused by a loose drain cover and crashed heavily.
They deduce that something had been sunk in the river, and find a drain cover with the letter "A".
Besides, only open drain cover; visitors dive in of own free will.
As a rule he lay on his belly in front of the kitchen shack, right next to the drain cover.
Missing or broken drain covers are a major reason many entrapment incidents occur.
Check to make sure appropriate drain covers are in place and undamaged.