Grade #3 Perlite -1/2” (free shipping)
$20.00
Relative size of media is around 1/2”. Media comes washed from dust, however some dust may develop in shipping. $13 buys you a 12”x12”x6” box full of perlite (.5 cu ft). To keep cost low and not use plastic you will only receive perlite in the box and no special packaging/ bag.