Compact T-bag - Options and Accessories Price Various underwater communication systems Allows for diver-to-diver, diver-to-camera operator, and diver-to-surface communication, as well as underwater PA CALL FOR PRICES & INFO Lectrosonic Waterproof Wireless Lavalier Kit $ 125 Filter Stage Assembly for the T-bag and Compact T-bag. It holds two 4 x 5.65" filters and offers full 360° rotation. $50 Zacuto Universal Baseplate/Riser $25 Ideal system (diver recall hydrophone) for a pool where the topside Director needs to communicate one-way to the underwater camera operator and/or talent during a shoot. The Diver Recall Hydrophone system comes complete with a high-quality hand-held microphone, transducer with 25' of cable, rechargeable batteries, battery charger and main electronic unit. Will help your underwater shoot go much faster. $175   888-ASL-LENS © 2012 Air Sea Land Productions Inc. All Rights Reserved Prices, availability, equipment and specs are subject to change without notice. Please contact an ASL rep for further information and details.