A basic model drop seal, small in its dimensions, available with many different combinations of seals and plungers. Despite its simplicity this product from CCE can guarantee great acoustic performances, from 32 dB to 39 dB noise reduction depending on the type of seal. Trimming: 200 mm standard from opposite end of plunger 50 mm | l. 330 mm 135 mm | l. 430 mm lengths : 330 430 530 630 730 830 930 1030 1130 1230 mm