https://slavyanski.net/sb2020/story.php?title=product-description-air-operated-diaphragm-aro-pump-7 [Special DESIGN]Characteristics Features Capabilities Functions Options Attributes an externally serviceable air distribution system and all-bolted construction. Modular air valve is stall-cost-free, this very low pulsation air valve provides sleek and immediate changeover for amplified effectiveness and minimizes down time. Tue, 04 Oct 2022 06:39:23 UTC en