The outer porous portion is configured for providing {TAIL ~ a fluid communication pathway} between the pressure structure and the inner porous portion that supports {HEAD ~ a fast and homogenous pressure response} 
The outer porous portion is configured for providing { TAIL ~ a fluid communication pathway } between the pressure structure and the inner porous portion that supports { HEAD ~ a fast and homogenous pressure response }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD