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[mark]

If you want to stay away fr hard, they make spaflex in 1" and fyi Quietone pumps are listed on RC's head loss calculator to compare flow, but only down to 3/4"

[Johnny Reefer]

Spaflex. That's the ribbed stuff, right? Any tips on how to secure that firmly to the pump? I've heard hose clamps don't work too well on spaflex.

Thanx much,

[mark]

Spaflex has so ribbing but think of it more as a thick wall, flexible PVC tubing.

To attach to pump would use a threaded (to the pump) to flip fitting.