PresAir Trol FF Switch [Center Spout] [Blue Cam] [Threaded] (MTB-311A) topsideparts The dark grey Emerald Cut

The dark grey Emerald Cut finish also helps maintain the visual style of the seat

CMP generic 7-1/4 inch weir

That helps restore manual plumbing control with a direct-fit replacement

The CMP Typhoon 400 jet internal is designed for compatible Typhoon 400 spa jet applications where a 3-3/8 inch face-diameter roto-style internal needs replacement

or equipment operation depending on the original assembly

PresAir Trol FF Switch [Center Spout] [Blue Cam] [Threaded] (MTB-311A) topsideparts The dark grey Emerald CutThe PresAir Trol FF Switch [Center Spout] [Blue Cam] [Threaded] (MTB 311A) is an air control or air switch component from Presair Trol, intended for compatible spa and bath systems where correct fit and responsive operation are required. The listed part number is MTB 311A, making it easier to match this item against an existing component, parts diagram, or previous service record. Key listed details include Center Spout, Blue Cam, Threaded, 311A,