Check the listing for details. P SCROG Screen 10-Pack - (3.25" openings) 15% discount - only $21.50/screen. Condition: New. Listed at 215.00 USD. Manufactured in the USA by SCROGGER Patented Design Each bulk pack contains 10 individual polycarbonate 3.25" opening screens. P SCROG Screens now offered by SCROGGER are a low cost alternative to our portable P SCROG System. The P SCROG screens can be used with a large array of round and square grower supplied containers. Simply add plant stakes and zip ties to enjoy all of the benefits of the P SCROG polycarbonate screen. P SCROG screens treat plants individually, optimizing each plant and strain potential. P SCROG screens are virtually indestructible and can be used over and over resulting in very low costs per grow, comparable to trellis net. MAX YIELD MADE SIMPLE INSTALL IN MINUTES Fits most round or square containers The P SCROG Primary screen is approximately 21" square with 36 - 3.25" openings. Polycarbonate (PC) Screen (10 food grade screens per bulk package) Clear - substantially all light transfers to plant canopy, better light transfer than some glass, little to no light transfer degradation with age Durable - high impact resistance, high temperature tolerance profile, lightweight, flexible Rigid - improved planar training surface over netting, wire or steel racking material Memory - holds shape Opening size - optimal 3.25" for Low Stress Training (LST) Screen dimensions 21" x 21"- fits within logical grow space footprints while leaving space for growers' hands, overgrowth and ease of portability TWO YEAR WARRANTY MAX YIELD MADE SIMPLE INSTALLS IN MINUTES