341 Weep Holes Catalog Masonry Products 341 Weep Holes Description Download MSDS Stainless Steel Finish Hot Dip Finish Galvanized FinishRound plastic weep holes manufactured from Medium Density Polyethylene (white). #341 - 1/4" or 3/8" O.D. x 4" long.#341W - 3/8" O.D. x 4" long. Provided with cotton wick attached.#341S - 3/8" O.D. x 4" long. Provided with screen insert (specify brass or stainless steel screen).#341 W/S - 3/8" O.D. x 4" long. Provided with both wick and screen. Spec Sheet Rates Please contact us for current pricing and availability. Request Availability × Availability Request Quantity: of to request