On both I can blow into from both sides and air pass through, are both damaged?

Not a direct answer but one of the two I received failed after a few weeks; upon removal I was able to pass air thru both sides. I did not test the new one (should have), but it seems to be working fine.

vendor higher CC number means more resistance or less resistance?

Higher number means less flow resistance (higher waste water flow to the drain).

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💧 Upgrade your RO system with precision flow—because pure water waits for no one!

COMPACT LIGHTWEIGHT - Sleek design (9.7 x 5.11 x 2.01 cm) fits seamlessly into any RO system without bulk
OPTIMIZED WATER RATIO - Maintains a pure-to-waste water ratio of 1:3, maximizing efficiency and sustainability
PRECISION FLOW CONTROL - Ensures consistent 50 gallons per day for pure, refreshing water
DURABLE ABS CONSTRUCTION - Engineered plastics built to withstand pressures up to 0.8MPa for long-lasting performance
EFFORTLESS QUICK CONNECT - 1/4" fittings make installation and maintenance a breeze—no plumber needed

The DIGITEN TmallTech 50GPD Flow Restrictor is a compact, durable ABS plastic component designed for reverse osmosis systems. It delivers a precise 50 gallons per day flow rate with a 1:3 pure-to-waste water ratio, featuring a 1/4" quick connect for fast, tool-free installation. Ideal for professionals seeking reliable, efficient water filtration upgrades.

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€ 25.11

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Brand	DIGITEN
Model Number	ROCON-74
Color	White
Product Dimensions	9.7 x 5.11 x 2.01 cm; 0.28 g
Material	Acrylonitrile Butadiene Styrene (ABS)
Item Weight	0.28 g

DIGITENTmallTech 50GPD Flow Restrictor 300CC 1/4" Quick Connect for RO Reverse Osmosis (pack of 2)

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