Coltri MCH10-MCH14 CNG and MCH13 cylinder kit for 88mm first stage. Described by Coltri as "1ST STAGE CYLINDER 88MM. MCH13 KIT [KIT CILINDRO 1^STADIO DIAM 88MM MCH-13]". For additional information on this kit, see page 10 of MCH8-MCH23 Parts List or pages 12 & 14 of MCH10-MCH14 CNG Parts List; both located under the User Manual tab.
Nuvair offers authentic parts and equipment manufactured by Coltri Compressors. Beware of inexpensive aftermarket imitations labeled as "replacement," "OEM equivalent," "compatible," or "alternative," as they are not made by Aerotenica Coltri S.p.a. Due to size, weight, or specific requirements, some Coltri products may not be available for online purchase, and others may have extended lead times. To confirm compatibility with your existing equipment or to ensure the product meets your needs, please contact the Nuvair Sales Team for ordering assistance by email or phone.