Camco Marine - Toilet Tissue - 2 Ply - 4 per Pack - 500 Sheets - Replaces P/n 117-40274 Rvx - 40274. The Camco TST 2-Ply RV and Marine Toilet Tissue is designed and approved for use in RV and marine sanitation systems. This premium toilet tissue provides a comfortable, dependable clean. With 2-ply protection, the durable layers are soft, absorbent and strong. The toilet tissue is flushable, clog-resistant, fast dissolving, biodegradable and septic tank safe. Contains no dyes or perfumes. Contains (4) rolls with 500 sheets per roll.. Perfect for RV and Marine Use: Designed and approved for use in RV and marine sanitation systems. Premium Toilet Tissue: Provides a comfortable, dependable clean. 2-Ply Protection: Durable layers are soft, absorbent and strong. Clog-Resistant: Flushable and safe for RV and marine sanitation systems. Septic Tank Safe: Fast dissolving, biodegradable and septic tank safe; Does not contain dyes or perfumes. Quantity - (4) rolls with 500 sheets per roll