Porous pipe

I don't remember where on Google I found, and then read about, this, but with all things recycled, especially such items as car tyres my ears perk up (or should that be my eyes pop out LOL)  I cannot abide the habit of sending tyres to landfill - for any reason!  And, if they can be recycled, I'm thrilled to bits.
So when I spotted this, I had to find out if it was available in South Africa.
And,