Aluminum 6" Storz Cap with Cable Material_Aluminum National Pipe Tapered is common

National Pipe Tapered is common in plumbing and some industrial uses

A brass grommet allows water drainage and a Velcro strap secures the contents

The horizontal back flush is the preferred strainer which allows the pvc line to be back flushed

A heavy duty nylon strap with four leverage points

Carbon Steel 4" Flange x 2 1/2" Female NH

Aluminum 6" Storz Cap with Cable Material_Aluminum National Pipe Tapered is commonAluminum storz cap with cable. Machined from forged 6061 T6 aluminum. Hard coat anodized components per MIL A 8625 Type III Class 1. Buna N gaskets to resist most hydrocarbons, oils, gasoline, acids and greases. Complies with DIN standards which require that Storz heads must be forged when used in firefighting applications. A Storz fitting enables a quarter turn sexless connection, no female or male side, with another Storz fitting. Connection