Get current pricing for Holo-flite, HOLO-FLITE-36161-ID Holo-flite Processor Model P-63171-a Type 2q1620-6. 4 Carbon Steel Screws 16 X 20'. Screw Rated 150 Psi Trough Jacket Rated 15 Psi. . Product Category: Process Equipment, Sub Category: Process Plants: