GRK 01133 R4 Pro-Pak Multi-Purpose Framing Screw, #10 x 2-1/2", 470-Count BF20 at a seated height or

at a seated height or in a standing position

Kit includes filter head with built-in bracket

5900 in (40

Super thin laser cut kerf for fast

Use as a flexible drain line with hose barb fittings & clamps

GRK 01133 R4 Pro-Pak Multi-Purpose Framing Screw, #10 x 2-1/2", 470-Count BF20 at a seated height orThis design enhances the R4's versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision leaving no damaged fibers around the head. R4 screws 2" and longer have a four threaded CEE Thread. This enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the