An important component in a yard drainage system, a French drain removes standing water from the yard and house foundation by ...

which is not what you want if you're worried about drainage. Open-graded bases are the best solution. These consist of ¼-inch gravel or crushed stone, aggregates that are large enough to let ...

macro aggregates filter inside chamber and micro-aggregates one built in the blood bag, ATS Chest Drain allows recovery of blood into the collection chamber, based on needs dictated by clinical ...