Specifications:

24-layer ipsilateral and ipsilateral message

32-layer ipsilateral and ipsilateral message

38-layer ipsilateral and ipsilateral message

50-layer manual exhaust valve on the same side

50-layer cross-side manual exhaust valve

50-layer same-side automatic exhaust valve

50-layer cross-side automatic exhaust valve

60-layer manual exhaust valve on the same side

60-layer cross-side manual exhaust valve

60-layer same-side automatic exhaust valve

60-layer cross-side automatic exhaust valve

80-layer manual exhaust valve on the same side

80-layer cross-side manual exhaust valve

80-layer same-side automatic exhaust valve

80-layer cross-side automatic exhaust valve

100-layer manual exhaust valve on the same side

100-layer cross-side manual exhaust valve

100-layer same-side automatic exhaust valve

100-layer cross-side automatic exhaust valve

120-layer manual exhaust valve on the same side

120-layer cross-side manual exhaust valve

120-layer same-side automatic exhaust valve

120-layer cross-side automatic exhaust valve

150-layer cross-side automatic exhaust valve