DuraVent 46DVA-E90B 90° Elbow Staff Pick This is the standard-size pillow

This is the standard-size pillow

It features a contoured section on the neck that conforms to your grip for more comfortable use

18% potassium peroxymonosulfate (DuPont Oxone) in a pH-buffered carrier

It also helps guard against white water mold and smooths out pH swings

DuraVent 46DVA-E90B 90° Elbow Staff Pick This is the standard-size pillowDuraVent 46DVA E90B 90 Elbow Overview Use to offset obstructions as needed. Fully unitized, twist lock construction. Elbow swivel, allowing the lock to remain fully engaged while aligning the desired direction. The angle will remain fixed at 90. What's in the Box 1 x DuraVent 46DVA E90B 90 Elbow Specifications Material: Galvalume Steel Diameters: 4" x 6 5 8" Inner Material: Aluminum Brand DuraVent