How to make your bedroom asthma friendly<br>Vacuum your bedroom once a week. Use a vacuum that employs a hepa filter or another small-pore, multi-layered vacuum bag designed to help trap allergens. Vacuums with motorized heads are also recommended, as they are better at capturing the dust that the vacuum agitates.
There are small-pore, multi-layered vacuum bags.
( z1 bag :mod ( z2 vacuum ) :cxnsistof ( z3 and :op ( z4 pore :mod ( z5 small ) ) :op ( z6 layer :quant ( z7 multiple ) ) ) )