Not sure if this is the same as the blue foam but from what I've seen on the Blue Foam Vids, the sleeve, is a totally different material. The sleeve, I believe is much more porous media than the foam
I purchased the sleeves and use just a small square at the end of the cart.
I can vape a 510 cart w/the sleeve material filler at the end longer than a V4Life Carto before refilling.
Marineland Rite Size Filter Sleeve: 3 Pack - Reviews, Features, and Prices $8 - $11 at DealTime
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I purchased the sleeves and use just a small square at the end of the cart.
I can vape a 510 cart w/the sleeve material filler at the end longer than a V4Life Carto before refilling.
Marineland Rite Size Filter Sleeve: 3 Pack - Reviews, Features, and Prices $8 - $11 at DealTime
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