Permeable Flexible Air Stones are a great way to aerate your growing system. he flexible stones bend into any shape you need to deliver air where you need it most, they also create less back pressure than traditional air stones, which reduces damage to

Permeable Flexible Air Stones are a great way to aerate your growing system. he flexible stones bend into any shape you need to deliver air where you need it most, they also create less back pressure than traditional air stones, which reduces damage to