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Amazon.com : Rain Bird RISER12 PVC Spray Head Riser, 1/2" Male Pipe Thread x 1/2" Male Pipe Thread, 12" Length : Automatic Lawn Sprinkler Heads : Patio, Lawn & Garden
Foothill Fire Protection, Inc. - Happy #FireProtectionFriday! Let's talk about a big component of fire sprinkler systems - the riser manifold. In a common wet system, water is drawn from a dependable
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