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Half-length screwdriver operated Scoop Extractor
HVL Series Submittal
Nylon bushings on adjustable blades to prevent metal on metal rattle
Type 316 stainless steel
SUBMITTAL RS52 Series Submittal
Parallel Blade Volume Damper 3000P-68X24 Residential Registers & Grilles Half-length screwdriver operated Scoop Extractorh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
